5.3.1 5-Methyl-2-(3-methoxyphenyl)-1,8-naphthyridin-4-one (6a)之合成
5.3.1.1. 3-Methoxy-ethylbenzoylacetate (3)之合成
取 diethylcarbonate (5.9 g,50 mmol)置於 300 毫升三頸瓶中,加 入 150 毫升以鈉或無水硫酸鎂脫水過之無水甲苯,及 sodium hydride (1.8 g,75 mmol)加入三頸瓶中,攪拌並加熱至甲苯迴流,
接著緩慢滴加 3-methoxyacetophenone (3.85 g, 25 mmol),反應 約兩小時後,離開熱源冷卻至室溫,加入200 毫升蒸餾水,以冰 醋酸中和之,以甲苯萃取出黃色液體,減壓濃縮,以管柱層析法 分離,得稠狀液體之化合物(產率 83 %)。
5.3.1.2. 8-Methyl-2-(3-methoxyphenyl)pyrido[1,2-a]
pyrimidin-4-one (5a)之合成
取2-amino-4-methylpyridine (2.43 g,22.4 mmol)置於三頸瓶中,
加入適量Polyphosphoric acid,Polyphosphoric acid的量只要能將 2-amino-4-methylpyridine蓋住即可,將三頸瓶加熱至110~120 ℃ 時,緩慢滴加3-methoxy-ethylbenzoylacetate(約5 g,22.5 mmol),
顏色逐漸轉變為棕黑色,反應持續約四小時,停止加熱,待溫
度降至100 ℃時,緩慢滴加20 ml蒸餾水,放置室溫,以二氯甲 烷萃取,減壓濃縮至乾燥為黑色稠狀液體,以矽膠分離(沖提液 二氯乙烷:乙酸乙酯= 6:1),以丙酮做再結晶,得化合物之透明無 色片狀結晶(產率78 %)。
化合物5a
mp: 150-152 ℃
IR: v (KBr)cm-1(圖5a-1): 1677cm-1(C=O),3079 cm-1(C-H) UV:λ max (CHCl3) nm (log ε) : 355.4 (4.08)
1H-NMR (CDCl3,200 MHz) δ (ppm) (圖5a-2):
2.46 (3H, s, CH3),3.86 (3H, s, OCH3),6.80 (1H, s, H-3),6.91-7.02 (2H, m, H-4', H-7),7.32-7.40 (1H, m, H-5'),7.49 (1H, s, H-9),
7.58-7.62 (2H, m, H-2, H-6'),8.93 (1H, d, J = 7.2 Hz, H-6)
13C-NMR (CDCl3-d1,50 MHz) δ (ppm) (圖 5a-3):
21.3,55.3,99.3,112.4,116.4,117.9,119.7,124.7,126.5,
129.7,138.8,148.2,150.9,158.6,159.9,162.0 MS(EI): m/z 266 (M++1)
5.3.1.3. 5-Methyl-2-(3-methoxyphenyl)-1,8-naphthyridin- 4-one (6a)之合成
取化合物8-methyl-2-(3-methoxyphenyl)pyrido[1,2-a]pyrimidin- 4-one 1 g (3.76 mmol)置於100毫升三頸瓶中,加入約15-20毫升 liquid paraffin,將三頸瓶置入電熱包(New Lab instrument Co. 型 號: MNS 500,300 walt,110V),倒入白色海砂(Merck Seasand),
約至三頸瓶的一半高度即可,須裝置上中空玻璃管,而在兩邊 的頸口中,其一裝置高於三百五十度之溫度計,另一頸口蓋上 玻璃蓋即可。打開熱源,攪拌並將加熱開關開至最高功率,當 溫度上升至210-230 ℃左右,開始冒出大量白色氣體,此時可藉 由中空玻璃管釋出,當溫度繼續上升至350 ℃左右,適當的調整 溫度控制鈕,使之維持在350-360 ℃左右,此反應持續約兩小 時,停止反應。將溫度降至室溫,放置兩至三天,則此反應的 主要產物會沉澱在瓶底,liquid paraffin會懸浮在上,將liquid paraffin輕輕倒掉,在利用n-Hexane輕輕沖洗沉澱物,再將
n-Hexane倒掉,如此重複兩三次,藉由n-Hexane將剩餘的liquid paraffin洗出。此反應沉澱物以三氯甲烷溶解,之後再利用乾式 法,以矽膠(以三氯甲烷 : 乙酸乙酯= 3:1沖提)分離,在利用脫 色將產物的顏色淡化,如此可帶走更多參雜的雜質與liquid paraffin,以三氯甲烷與乙醇做再結晶,得黃色菱狀結晶(產率30.5
%)。
化合物6a
mp: 178-180 ℃
IR:v (KBr)cm-1(圖6a-2): 1619 cm-1 (C=O),3162 cm-1 (C-H),3232 cm-1 (N-H)
UV:λ max (CHCl3) nm (log ε) : 338.6 (4.22)
1H-NMR (CDCl3,200 MHz) δ (ppm) (圖6a-3):
2.99 (3H, s, CH3),3.88 (3H, s, OCH3),6.54 (1H, s, H-3),6.95 (1H, d, J = 0.4 Hz, H-6),6.97-7.14 (1H, m, H-4'),7.23-7.34 (2H, m, H-2', H-6'),7.42-7.50 (1H, m, Hz, H-5'),7.89 (1H, d, J = 5.0 Hz, H-7),
10.72 (1H, br s, -NH)
13C-NMR (CDCl3-d1,50 MHz) δ (ppm) (圖6a-4):
22.5,55.2,100.1,110.9,112.1,116.3,118.9,122.3,130.2,
135.2,148.9,150.8,152.0,152.7,159.9,181.1 MS(EI): m/z 266 (M++1)
5.3.2. 6-Methyl-2-(3-methoxyphenyl)-1,8-naphthyridin-4- one(6b)之合成
5.3.2.1. 3-Methoxy-ethylbenzoylacetate (3)之合成
秤取 diethylcarbonate (5.9 g,50 mmol)置於 300 ml 三頸瓶中,加 入 150 毫升以鈉或無水硫酸鎂脫水過之無水甲苯及 sodium hydride (1.8 g,75 mmol),攪拌並加熱至迴流,接著緩慢滴加 3-methoxyacetophenone (3.85 g,25 mmol),反應約兩小時後,
離開熱源冷卻至室溫,加入 200 毫升蒸餾水,以冰醋酸中和之,
以甲苯萃取黃色液體,減壓濃縮,以管柱層析法分離,得稠狀 液體之化合物(產率 83 %)。
5.3.2.2 7-Methyl-2-(3-methoxyphenyl)pyrido[1,2-a]
pyrimidin-4-one (5b)之合成
秤取5-methyl-2-aminopyridine (4.86 g,45 mmol)置於三頸瓶中,
加入適量polyphosphoric acid,polyphosphoric acid的量只要能將 5-methyl-2-aminopyridine蓋住即可,將三頸瓶加熱至110~120 ℃ 時,緩慢滴加3-methoxy-ethylbenzoylacetate(約5 g,22.5 mmol),
顏色逐漸轉變為棕黑色,反應持續約四小時,停止加熱,待溫 度降至100 ℃時,緩慢滴加20 ml蒸餾水,放至室溫,以二氯甲 烷萃取,減壓濃縮至乾燥為黑色稠狀液體,以矽膠分離(沖提液 二氯乙烷:乙酸乙酯= 6:1),以丙酮做再結晶,得透明白色針狀結 晶(產率69 %)。
化合物5b
mp: 163-164 ℃
IR:v (KBr)cm-1(圖5b-2): 1708 cm-1(C=O),3079 cm-1 (C-H) UV: λ max (CHCl3) nm (log ε) : 331.2 (4.24)
1H-NMR (CDCl3,200 MHz) δ (ppm) (圖5b-3):
2.40 (3H, d, J = 0.8 Hz, CH3),3.86 (3H, s, OCH3),6.84 (1H, s, H-3),7.01 (1H, t, J = 1.8 Hz, H-4'),7.36 (1H, t, J = 8.2 Hz, H-5'),
7.57~7.62 (4H, m, .H-2', H-6', H-8, H-9),8.83 (1H, s, H-6)
13C-NMR (CDCl3-d1,50 MHz) δ (ppm) (圖 5b-4):
18.2,55.3,99.9,112.4,116.4,119.7,124.6,125.4,126.1,
129.7,138.7,139.0,149.8,158.7,159.9,161.3 MS(EI): m/z 266 (M++1)
5.3.2.3. 6-Methyl-2-(3-methoxyphenyl)-1,8-naphthyridin -4-one (6b)之合成
取化合物7-methyl-2-(3-methoxyphenyl)pyrido[1,2-a] pyrimidin- 4-one 1 g (3.76 mmol)置於100毫升三頸瓶中,加入約15-20毫升
liquid paraffin,將三頸瓶置入電熱包(New Lab instrument Co. 型 號: MNS 500,300 walt,110V),倒入白色海砂(Merck Seasand),
約至三頸瓶的一半高度即可,須裝置上中空玻璃管,而在兩邊 的頸口中,其一裝置高於350 ℃之溫度計,另一頸口蓋上玻璃蓋 即可。打開熱源,攪拌並將加熱開關開至最高功率,當溫度上 升至210-230 ℃左右,開始冒出大量白色氣體,此時可藉由中空 玻璃管釋出,當溫度繼續上升至350 ℃左右,適當的調整溫度控 制鈕,使之維持在350-360 ℃左右,此反應持續約兩小時,停止 反應。將溫度降至室溫,放置兩至三天,則此反應的主要產物 會沉澱在瓶底,liquid paraffin會懸浮在上,將liquid paraffin輕輕 倒掉,在利用n-Hexane輕輕沖洗沉澱物,再將n-Hexane倒掉,如 此重複兩三次,藉由n-Hexane將剩餘的liquid paraffin洗出。此反 應沉澱物以三氯甲烷溶解,之後再利用乾式法,以矽膠(以三氯 甲烷:乙酸乙酯= 3:1沖提)分離,在利用脫色將產物的顏色淡化,
如此可帶走更多參雜的雜質與liquid paraffin,得化合物(6b)之黃 色粉末(產率38 %)。
化合物6b:
mp: 216-218 ℃
IR:νmax (KBr) cm-1(圖6b-2): 1618 cm-1 (C=O),3033 cm-1 (C-H),3442 cm-1 (N-H)。
UV:λ max (CHCl3) nm (log ε) : 348.0 (4.10)
1H-NMR (CDCl3,400 MHz) δ (ppm) (圖6b-3):
2.31 (3H, s, CH3),3.80 (3H, s, OCH3),6.52 (1H, s, H-3),7.07 (1H, dd, J = 8.0, 2.1 Hz, H-4’),7.20 (1H, d, J = 2.1 Hz, H-2’ ),7.25- 7.27 (1H, m, H-6’ ),7.40 (1H, m , H-5’),7.76 (1H, d, J = 1.8 Hz, H-7),8.45 (1H, d, J = 1.3 Hz, H-5),11.72 (1H, b, NH)
13C-NMR (CDCl3,100 MHz) δ (ppm) (圖6b-5):
18.0 (CH3),55.4 (OCH3),109.6 (C-3),113.0 (C-2’),116.3 (C-4’),
119.7 (C-6’),129.5 (C-6),130.4 (C-5’),135.5 (C-5),136.0 (C-4a.
C-1’),149.3 (C-8a),151.2 (C-2),153.5 (C-7),160.1 (C-3’),178.8 (C=O)
MS(EI): m/z 266 (M++1)
5.3.3. (5 or 6)-Methyl-2-(3-methoxyphenyl)-1,8-naphthyridine 的碳 醯胺鹽衍生物之合成
5.3.3.1. [2-(3-Methoxyphenyl)-5-methyl-1,8-naphthyridin-4-yl]
diethylcarbamate (8)之合成
秤取化合物 5-methyl-2-(3-methoxyphenyl)-1,8-naphthyridin-4- one (6a)100 mg (0.38 mmol)並加入 N,N-二甲基甲醯胺(DMF ;
N,N-Dimethylformamide)約 20 ml,一起放入三頸瓶中,室溫下 反應約 1 個小時,加入氫化鈉 10.82 mg (0.45 mmol)攪拌,反應 持續約 30 分鐘,此時加入 diethylcarbamate 60.75 mg (0.45 mmol),繼續於室溫下反應一小時,然後攪拌倒入 500 毫升冰水 中,再以 Ethyl acetate 淬取,通管柱層析後,得化合物(8),產 率 58 %。
化合物 8
mp: 190~193 ℃
IR:νmax (KBr) cm-1(圖 8-2):1721.5 cm-1 (C=O)
1H-NMR (CDCl3,400 MHz) δ (ppm) (圖 8-3):
1.10~1.18(6H, m , H-6’’,H-7’’),2.66 (1H, s, H-5),3.30 (2H, dd, J
= 4, J =8 , H-4’’),3.41 (2H, dd, J = 8, J = 12, H-8’’),3.79 (3H, s, H-3’),6.88~6.90 (1H, m, H-3),7.04 (1H, d, J = 4 Hz, H-6),
7.21(1H, d, J = 12 Hz, H-4’),7.53 (1H, s, H-2’),7.61(1H, d, J = 8, H-2’),7.82 (1H, s, H-5’),8.82 (1H, d, J = 4, H-7)
13C-NMR (CDCl3,100 MHz) δ (ppm) (圖8-4):
12.8,13.9,22.1,41.6,41.9,55.1,76.6,76.9,77.3,112.0,
112.5,116.2,117.1,119.7,123.7,129.1,139.0,144.5,152.5,
152.9,157.0,157.7,159.2,159.7
MS(EI): m/z 365 (M++1)
5.3.2.3. 2-(3-Methoxyphenyl)-4-(4-methylpiperazine-1- carbonyl)oxy-5-methyl-1,8-naphthyridine (10)之合成
秤取化合物 6-methyl-2-(3-methoxyphenyl)-1,8-naphthyridin- 4-one (6b) 100 mg (0.375 mmol)置入密閉瓶中,同時加入 pyridine 與 4-methylpiperazine-1-carbonyl chloride 一起放至密閉瓶中,以 溫度 120 ℃反應約 5~6 個小時,取出放涼,減壓濃縮後得到乾燥 固體,將 pyridine 抽乾,通管柱層析後,得化合物(10),產率 52
%。
化合物 10
mp: 198~199 ℃
1H-NMR (CDCl3-d1,200 MHz) δ (ppm) (圖 10-1):
2.40 ( 3H, s ,H-6),2.52~2.57 (7H, m, H-6'', H-5'', H-7''),3.69 (2H, t, J = 4, H-4''),3.87 (2H, t, J = 4 Hz, H-8''),3.93 (3H, s, H-3'),7.04 (1H, d, J = 4, H-4'),7.39 (1H, m, H-2'),7.75 (1H, d, J = 8 Hz, H-6'),7.87~8.04 (2H, m, H-5', H-7),8.87 (1H, d, J = 2 Hz, H-5)
13C-NMR (CDCl3,50 MHz) δ (ppm) (圖10-3):
18.6,29.4,44.0,44.5,45.9,54.2,54.5,55.3,111.0,112.0,
116.0,116.5,119.9,129.0,129.3,131.2,139.6,151.6,154.8,
155.7,159.5,159.8
5.3.4. (5 or 6)-Methyl-2-(3-methoxyphenyl)-1,8-naphthyridine 的胺類衍生物之合成
5.3.4.1. 4-Chloro-2-(3-methoxyphenyl)-5-methyl-1, 8- naphthyridin-4-one(11)之合成
秤取化合物5-methyl-2-(3-methoxyphenyl)-1,8-naphthyridin- 4-one (6a) 200 mg (0.75 mmol),與POCl3約138.34 mg (0.90
mmol)、dry CH2Cl2混合液放入三頸瓶中,在溫度60 ℃下攪拌反 應約10分鐘,或是與POCl3、dry CH2Cl2混合液在室溫下反應30 分鐘~1個小時,取出減壓濃縮至乾燥可得黃色固體,以管柱層 析法分離,可得化合物(11),產率65 %。
5.3.4.2. 4-(3-Dimethylaminopropylamino)-2-(3-methoxy phenyl)-5-methyl-1,8-naphthyridine (12)之合成
秤取化合物 4-chloro-2-(3-methoxyphenyl)-5-methyl-1,8-
naphthyridine 150 mg (0.52 mmol),加入過量的 phenol,在溫度 140 ℃與 N,N-dimethyl-1,3-propanediamine 79.69 mg (0.78 mmol)
攪拌迴流約 1~2 小時,以管柱層析法分離,可得化合物(12),產 率可達 61 %
化合物12
mp : 216-218 ℃
IR:νmax (KBr) cm-1(圖 12-2):3367cm-1 ( N-H)
1H-NMR (CDCl3,400 MHz) δ(ppm) (圖12-3):
1.87 (2H, m, CH2),2.20 (3H, s, (CH3)×2),2.45 (2H, t, J = 4, CH2),2.8 (3H, s, CH3),3.25 (2H, q, CH2),3.83 (3H, s, OCH3),
6.95 (1H, s, H-3),7.08 (1H, d, J = 4 Hz, H-6),7.23 (1H, m,
H-4' ),7.31 (1H, m, H-2'),7.76 (1H, d, J = 4 Hz, H-6'),7.83(1H,s, H-5),8.6 (1H, d, J =4 Hz, H-7)
13C-NMR (CDCl3,50 MHz) δ (ppm) (圖12-4):
23.3,24.7,44.8,45.3,55.2,59.0,97.4,112.2,113.73,115.6,
119.7,122.2,129.0,141.1,144.6,151.5,153.8,157.9,159.2,
159.6
MS(EI): m/z 350 (M++1)
5.3.4.3. 4-(2,3-dihydroxypropylamino)-2-(3-methoxyphenyl)- 5-methyl-1,8-naphthyridine (13)之合成
秤取化合物 4-chloro-2-(3-methoxyphenyl)-5-methyl-1,8- naphthyridine 150 mg (0.624 mmol),加入過量的 phenol,在 140~145 ℃下與 3-amino-1,2-propanediol 56.85 mg (0.624 mmol) 攪拌迴流約 1~2 小時,以管柱層析法分離,可得化合物(13),產 率可達 36 %
化合物13
mp: 165~166 ℃
IR:v (KBr)cm-1(圖13-1): 3343 cm-1 (N-H)
1H-NMR (CDCl3,200 MHz) δ (ppm) (圖 13-2):
2.41 (1H, br s, H-5),3.18 (1H, s, H-2''),3.73~3.90 (7H, m, H-3', H-4'', HO-3''),6.07 (1H, br s, HO-4''),6.32 (1H, s, H-3),6.67 (1H, d, J = 4 Hz, H-6),6.79 (1H, d, J = 4 Hz, H-4'),6.83 (1H, d, J = 2 Hz, H-2'),7.20 (1H, d, J = 8, H-2'),7.90 (1H, d, H-5'),8.50 (1H, d, J = 4 Hz, H-7)
13C-NMR (CDCl3,50 MHz) δ (ppm) (圖13-3):
23.6,46.1,55.1,64.5,69.1,97.5,113.0,113.2,114.7,119.6,
122.3,129.1,140.1,145.5,150.8,153.6,156.8,159.1,159.5
5.3.4.4. 化合物 2-(3-Methoxyphenyl)-5-methyl-1,8- naphthyridin-4-yl benzoate(14)之合成
秤取化合物 4-chloro-2-(3-methoxyphenyl)-5-methyl-1,8- naphthyridine 150 mg (0.52 mmol),加入過量的 phenol,在
140~145℃下與 diethanolamine 79.69 mg (0.78 mmol)攪拌迴流約 1~2 小時,以管柱層析法分離,可得化合物(14),產率可達 61 % 化合物14
mp: 159~160 ℃
1H-NMR (CDCl3,200 MHz) δ (ppm) (圖 14-2):
2.86 (3H, s , H-5),3.80 (3H, s, H-5),6.74 (1H, d, J = 8 Hz, H-3),
7.16~7.61(11H, m, H-6, H-4', H-2', H-6, H-5', H-1'', H-2'', H-3'', H-4'', H-5'', H-6'')
13C-NMR (CDCl3,50 MHz) δ (ppm) (圖14-3):
23.3,55.4,104.3,112.5,115.5,116.0,118.8,119.5,120.6,
124.2,125.8,129.5,130.2,130.8,139.6,146.1,153.9,154.3,
158.2,158.9,159.8,164.4 MS(EI): m/z 340.9 (M++1)
5.3.5. (5 or 6)-Methyl-2-(3-methoxyphenyl)-1,8-naphthyridin- 4-one 的溴化
5.3.5.1. 3-Bromo-5-methyl-2-(3-methoxyphenyl)-1,8- naphthyridin-4-one (16a)之合成
法一:
將化合物 5-methyl-2-(3-methoxyphenyl)-1,8-naphthyridin-4-one 50 mg(0.19 mmol)懸浮於 CCl4,一同放入 100 ml 的三頸瓶中。
再加入 N-bromosuccinimide (NBS)17 mg (0.10 mmol) 及過氧化 二苯甲醯 benzoyl peroxide 10 mg,一起攪拌迴流反應兩小時。
放置室溫,以氯仿萃取,減壓濃縮至乾燥可得白色固體,及化 合物(16a)。產率為 60 %。
法二:
將化合物 5-methyl-2-(3-methoxyphenyl)-1,8-naphthyridin-4-one 50 mg (0.19 mmol)懸浮於 CCl4,一同放入 100 ml 的三頸瓶中。
再加入 NBS 17 mg (0.095 mmol)及 2,2’-偶氮二異丁基膌(AIBN, 2,2’-Azobisisobutyronitrile) 10 mg,一起攪拌迴流反應兩小時。
放置室溫,以氯仿萃取,減壓濃縮至乾燥可得白色固體,及化 合物(16a)。產率為 55 %。
法三:
將化合物 5-methyl-2-(3-methoxyphenyl)-1,8-naphthyridin-4-one 50 mg (0.19 mmol)懸浮於 CCl4,一同放入 100 ml 的三頸瓶中。
再加入 1,3-dibromo-5,5-dimethylhydantoin (DDH)17 mg (0.095 mmol)及 benzoyl peroxide 10 mg,或 AIBN,一起攪拌迴流反應 兩小時。放置室溫,以氯仿萃取,減壓濃縮至乾燥可得白色固 體,及化合物(16a)。產率為 62%。
法四:
利用微波技術即利用微波反應器將化合物 5-methyl-2-(3-
methoxyphenyl)-1,8-naphthyridin-4-one 50 mg(0.19 mmol),100 ml 的三頸瓶中,再加入 NBS 17 mg(0.10 mmol) 及 benzoyl peroxide 10 mg,懸浮於 CCl4,一同放入微波反應器中,溫度設為80 ℃,
一起攪拌迴流反應約半小時。冷卻後,減壓濃縮至乾燥可得白 色固體,及化合物(16a)。產率為 72 %。
化合物16a
mp: 239~241℃。
1H-NMR (CDCl3,200 MHz) δ (ppm) (圖 16a-2):
2.93(3H, d, H-6),3.81(3H, s, H-3'),6.83 (1H, dd, J=4, J=6 Hz H-6),6.95 (1H, d, J=4, H-4'),7.09~7.17 (3H, m, H-6', H-2',H-5'),
7.44 (1H, dd, J=2, J=8 Hz H-7),12.05 (1H, br s,-NH)
13C-NMR (CDCl3-d1,50 MHz) δ (ppm) (圖 16a-3):
22.9,55.3,109.0,114.2,115.9,117.0,120.8,122.4,129.9,
135.9,148.3,150.4,150.6,153.6,159.5,174.9 MS(EI): m/z 345(M++1)
5.3.5.2. 3-Bromo-6-methyl-2-(3-methoxyphenyl)-1,8- naphthyridin-4-one(16b)之合成
方法如同前述5.3.5.1的5-methyl-2-(3-methoxyphenyl)-1,
8-naphthyridin-4-one的溴化,利用N-bromosuccinimide(NBS) 17 mg(0.10mmol)及2,2’-偶氮二異丁基膌(AIBN, 2,2’-
Azobisisobutyronitrile)10 mg,懸浮於CCl4或利用N-
bromosuccinimide (NBS)17 mg (0.10 mmol)與過氧化二苯甲醯 benzoyl peroxide懸浮於CCl4 ,一起攪拌迴流反應兩小時結果會 得到化合物(16b)。
化合物(16b) mp: 285~286 ℃。
1H-NMR (CDCl3,200 MHz) δ (ppm) (圖16b-2):
2.25 (3H, s, H-5),3.80 (3H, s, H-3'),6.89 (1H, d, J=2 Hz H-4'),
7.06~7.21 (3H, m, H-6', H-2',H-5'),7.47 (1H, t, J=8 Hz H-7),8.47
(1H, d, J=2 Hz ),12.53 (1H, br s, -NH)
13C-NMR (CDCl3-d1,50 MHz) δ (ppm) (圖16b-3):
17.8,55.5,106.2,114.8,115.7,117.1,121.5,129.6,130.2,
134.2,135.9,148.0,150.7,154.7,159.0,172.3
5.3.6. 4-[(4-Chlorobenzyl)oxy]-2-(3-methoxyphenyl)-6 -methyl-1,8-naphthyridine (20)之合成
秤取化合物6-methyl-2-(3-methoxyphenyl)-1,8-naphthyridin- 4-one 100 mg (0.375 mmol)並加入N,N-二甲基甲醯胺(DMF ; N,N-Dimethylformamide)約20 ml,一起放入三頸瓶中,室溫下反 應約1個小時,加入氫化鈉10.82 mg (0.45 mmol)攪拌,此時會有 泡泡產生,反應持續約30分鐘泡泡會消退,此時滴加4-
chlorobenzylchlorid 78.50 mg (0.48 mmol),繼續於室溫下反應一 小時,然後攪拌倒入500毫升冰水中,再以氯仿淬取,通管柱層 析(氯仿)後,得化合物(20)產率43%。
參 考 文 獻
1. Papoport, H.; Holden, G. K. Alkaloids of Balfourodendron riedelianum. Balfourodine and Isobalfourodine. J Am. Chem.
Soc. 1960, 82, 4395-4404.
2. Cheng, C. C. A Common Structural Pattern Among Many Biologically Active Compounds of Natural and Synthetic Origin. Med. Hypotheses 1986, 20, 157-172.
3. Hung, M. T.; Wood, A. W.; Newmark, H. L.; Snyer, J. M.;
Yagi, H.; Jerina, D. M.; Conney, A. H. Inhibition of the Mutagenicity Bay-Region Diol-Epoxides of Polycyclic Aromatic Hydrocarbons by Phenolic Plant Flavonoids.
Carcinogenesis 1983, 4, 1631-1637.
4. Lee, K. H.; Tagahara, K.; Suzuki, H.; Wu, R.Y; Haruna, M, Hall, I. H.; Huang, H. C.; Ito, K.; Lida, T; Lai, J. S. Antitumor Agents 49: Tricin, Kaempferol-3-O-beta-D-glucopyranoside and (+)-Nortrachelogenin, Antileukemic Principles from
Mikstoremia Indica. J. Nat. Prod. 1981, 44, 530-535.
5. Monks, A.; Scudiero, D.; Skehan, P.; Shoemaker, R.; Paull, K.;
Vistica, D.; Hose, C.; Langley,J.;Cronise, P.; Vaigro-Woiff, A.;
Gray-Goodrich, M.; Campbell, H; Mayo, J.; Boyd, M.
Feasibility of High-flux Anticancer Drug Screen Utilizing a Derived Panel of Human Tumor Cell Lines in Culture. J. Natl.
Cancer Inst. 1991, 83, 757-766.
6. Wang, J. P.; Hsu, M. F.; Raung, S. L.; Kuo S. C. Suppressive Effect of 2-Phenyl-4-quinolone (YT-1) on Hind-Paw Edema
and Cutaneous Vascular Plasma Extravasation in Mice.
Naunyn Schmiedebergs Arch. Pharmacol. 1994, 349, 324-330.
7. Zhang, S. X.; Feng, J.; Kuo, S. C.; Brossi, A.; Hamel, E.;
Tropsha, A.; Structure-Activity Relationship Study of the Colchicine Binding Site Ligands Using Comparative Molecular Field Analysis. J. Med. Chem. 2000, 43, 167-176.
8. Huang, L. J.; Hsieh, M. C.; Teng, C. M.; Lee, K. H.; Kuo, S. C.
Synthesis and Antiplatelet Activity of Phenyl Quinolones.
Bioorg. Med. Chem. 1998, 6, 1657-1662.
9. Li, L.; Wang, H. K.; Kuo, S. C.; Wu, T. S.; Mauger, A.; Lin, C.
M.; Hamel, E.; Lee, K. H. Antitumor Agents. 155. Synthesis and Biological Evaluation of 3', 6, 7-Substituted 2-Phenyl-
4-quinolones as Antimicrotubule Agents. J. Med. Chem. 1994, 37, 3400-3407.
10. Xia, Y.; Yang, Z. Y.; Morris-Natschke, S. L.; Lee, K. H. Recent Advances in the Discovery and Development of Quinolones and Analogs as Antitumor Agents. Curr. Med. Chem. 1999, 6,
179-194.
11. Xia, Y.; Yang, Z. Y.; Xia, P.; Bastow, K. F.; Nakanishi, Y.;
Nampoothiri, P.; Hamel, E.; Brossi, A.; Lee, K. H. Antitumor Agents. Part 226: Synthesis and Cytotoxicity of 2-Phenyl-4- quinolone Acetic Acids and Their Esters. Bioorg. Med. Chem.
Lett. 2003, 13, 2891-2893.
12. Ko, T, C.; Hour, M. J.; Lien, J. C.; Teng, C. M.; Lee, K. H.;
Kuo, S. C.; Huang, L. J. Synthesis of 4-Alkoxy-2-
phenylquinoline Derivatives as PotentAntiplatelet Agents.
Bioorg. Med. Chem.Lett. 2001, 11, 279-282.
13. Xia, Y; Yang, Z. Y; Xia, P.; Bastow, K. F; Taxhibana, Y; Kuo, S.C.; Hamel, E.; Hackl, T.; Lee, K. H. Antitumor Agents. 181.
Synthesis and Biological Evaluation of 6, 7, 2′ 3′, 4′-
Substituted 1, 2, 3, 4-Tetrahydro-2-phenyl-4-quinolones as A New Class of Antitmitotic Antitumor Agents. J. Med. Chem.
1998, 41, 1155-1162.
14. Kuo, S. C; Lee, H. Z.; Juang, J. P.; Lin, Y T.; Wu, T. S.; Chang, J. J; Lendnicer, D.; Kenneth, P. D.; Lin, C. M.; Hamel E.; Lee, K. H. Synthesis and Cytotoxicity of 1, 6, 7, 8- Substituted
2-(4’-Substituted phenyl)-4-quinolones and Related Compounds:
Identification as Antimitotic Agents Interacting with Tubulin. J.
Med. Chem. 1993, 36, 1146-1156.
15. Li, L.; Wang, H. K.; Kuo, S. C.; Wu, T. S.; Mauger, A. A.; Lin, C. M.; Hamel, E.; Lee, K. H. Antitumor agents. 150. 2′, 3′, 4′, 5′, 5, 6, 7-Substituted 2-phenyl-4-quinolones and Related
Compounds: Their Synthesis, Cytotoxicity, and Inhibition of Tubulin Polymerization. J. Med. Chem. 1994, 37, 1126-1135.
16. Li, L.; Wang, H. K.; Kuo, S. C.; Wu, T. S.; Mauger, A. A.; Lin, C. M.;Hamel, E.; Lee, K. H. Antitumor Agents. 155. Synthesis and Biological Evaluation of 3′, 6, 7-Substituted 2-Phenyl-4- quinolones as Microtubule Agents. J. Med. Chem. 1994, 37, 3400-3407.
17. Neil, G L.; Li, L. H.; Buskirk, H. H.; Moxley, T. E. Antitumor
Effects of the Antispermatogemc Agent, 2, 3- Dihydro-2-
(1-naphthyl)-4-(1H)-quinazolinone. Cancer Chemother. 1972, 56, 163-173.
18 Yale, H. L; Kalkstein, M. Substituted 2,3-Dihydro-4-(1H)- quinazolinones. A New Class of Inhibitors of Cell
Multiplication. J. Med. Chem. 1967, 70, 334-336.
19. Chen, K.; Kuo, S. C.; Hsieh, M. C.; Mauger, A.; Lin, C. M.;
Hamel, E.; Lee, K. H. Antitumor Agents. 174. 2, 3, 4, 5, 6, 7- Substituted 2-Phenyl-1,8-naphthyridin-4-ones: Their Synthesis, Cytotoxicity, and Inhibition of Tubulin Polymerization. J. Med.
Chem. 1997, 40, 2266-2275.
20. Li, L.; Wang, H. K.; Kuo, S. C.; Wu, T. S.; Mauger, A. A.; Lin, C. M.;Hamel, E.; Lee, K. H. Antitumor Agents. 178. Synthesis and Biological Evaluation of Substituted 2-Aryl-1,
8-naphthyridin-4(1H)-ones as Antitumor Agents that Inhibit Polymerization. J. Med. Chem. 1997, 40, 3049-3056.
21. Zhang, S. X.; Bastow, K. F.; Tachibana, Y.; Kuo, S. C.; Hamel, E.; Mauger, A.; Narayanan, V. L.; Lee, K. H. Antitumor Agents.
196. Substituted 2-Thienyl-1,8-naphthyridin-4-ones: Their Synthesis, Cytotoxicity, and Inhibition of Tubulin
Polymerization. J. Med. Chem. 1999, 42, 4081-4087.
22. Gildemeister, H.; Knorr ; H. Mildenberger ;Hilmar. Salbeck G.
Neue-4-Chinolinol-und 5, 6, 7, 8-Tetrahydro-4-
Chinolinol-Abkommlinge Mit Biozider Wirkung. Liebigs Ann.Chem. 1982.
23. Siim, B.G.; Atwell, G. J.; Atwell, G. J.; Anderson, R. F.;
Wardman, P.; Pullen, S. M.; Wilson, W. R.; Denny, W. A.
Hypoxia-Selective Antitumor Agents. 15. Modification of Rate of Nitroreduction and Extent of Lysosomal Uptake by
Polysubstitution of 4-(Alkylamino)-5-nitroquinoline Bioreductive Drugs. J. Med. Chem. 1997, 1381-1390.
24. Lidström, P.; Tierney, J.; Wathey, B.; Westman, J. Microwave Assisted Organic Synthesis- A Review. Tetrahedron 2001, 57, 9225-9283.
25. Perreux, L.; Loupy, A. A Tentative Rationalization of
Microwave Effects in Organic Synthesis According to The Reaction Medium, and Mechanistic Considerations.
Tetrahedron 2001, 57, 9199-9223.
26. Tamás, P.; Albert, L.; Éva, R.; Rajender, S. V. Microwave-
induced, solvent-free transformations of benzoheteracyclanones by HTIB (Koser’s reagent). Arkivoc. vii. 2004, 183-195.
27. Pearson R. E.; Martin, J. C. The Identity of the Chain-Carrying Species in Brominations with N-Bromosuccinimide: Selectivity of Substituted N-Bromosuccinimides toward Substituted
Toluenes. J Am. Chem. Soc. 1963, 85, 3142-3146.
28. Incremona, J.H.; Martin, J. C. N-Bromosuccinimide.
Mechanisms of Allylic Bromination and Related Reactions. J Am. Chem. Soc. 1970, 92, 627-634.
29. House, H. O.; Czuba, L. J.; Calland, M.; Olmstead, H. D.The Chemistry of Carbanions. XVIII. Preparation of Trimethylsilyl
Enol Ethers. J. Org.Chem. 1969, 34, 2324-2336.
1251.64
1270.92
1376.991496.561646.99
1677.85
Wavenumbers (cm-1)
圖 譜
圖5a-3 化合物 5a 之 13C-NMR 圖譜(CDCl3-d1, 50 MHz)
圖5b-1 化合物 5b 之質譜圖譜(EIMS)
N
N O
OCH3 C
H3
N
N O
OCH3 C
H3
1284.42
Wavenumbers (cm-1)
圖5b-2 化合物 5b 之 IR 圖譜
圖5b-4 化合物 5b 之 13C-NMR 圖譜(CDCl3-d1, 50 MHz)
圖6a-1 化合物 6a 之質譜圖譜(EIMS)
N
N O
OCH3 C
H3
N N
H O
C H3
OCH3
2' 4'
5' 6' 3 5
7
3' 2 4a 4
8a 8
1272.85
Wavenumbers (cm-1)
圖6a-2 化合物 6a 之 IR 圖譜
圖 6a-4 化合物 6a 之13C-NMR 圖譜(CDCl3-d1, 50 MHz)
圖 6a-4 化合物 6a 之13C-NMR 圖譜(CDCl3-d1, 50 MHz)