[PDF] Top 20 FACE SELECTIVITY IN THE PATERNO-BUCHI REACTIONS OF METHACRYLONITRILE TO 5-SUBSTITUTED ADAMANTAN-2-ONES
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FACE SELECTIVITY IN THE PATERNO-BUCHI REACTIONS OF METHACRYLONITRILE TO 5-SUBSTITUTED ADAMANTAN-2-ONES
... Variously 7,7-disubstituted 2- norbornanones have been shown to undergo cycloaddition on the e m side, l o but there appears to be no guidance for instances in which the [r] ... See full document
6
Face selectivity in the photocycloaddition reactions of acrylonitrile to 5-substituted adamantan-2-ones and pyrolysis of the products to methyleneadamantanes
... Assignment of the configuration of the oxetanes was found to be consistent with 13 C additivity scheme and the chemical shifts are more closely predicted using known oxetanes ... See full document
5
Photochemistry of acetone in the presence of exocyclic olefins: An unexpected competition between the photo-Conia and Paterno-Buchi reactions
... In the course of studying face selectivity in the photo- cycloaddition reaction of 5-substituted adamantan-2-ones 1–Xs, we have ... See full document
2
Face selectivity in the 1,3-dipolar cycloaddition reactions of benzonitrile oxide with 5-substituted adamantane-2-thiones and 2-methyleneadamantanes
... 5-Substituted adamantan-2-ones 1-X and their deriva- tives have proven to be useful probes in research aimed at understanding the electronic factors in ... See full document
5
Face selectivity in the reactions of 2,4-disubstituted adamantanes and their modification by inclusion in beta-cyclodextrin solutions
... devised to identify the various steric and electronic factors that influence p-facial selectivity in nucleophilic, electrophilic, and cycloaddition reactions, among them, sterically ... See full document
9
Temperature and para-substituent effects on the face selectivity of 1,3-dipolar cycloaddition reactions of benzonitrile oxides with 5-substituted adamantane-2-thiones, N-benzyladamantyl-2-imines, and 2-methyleneadamantanes
... study of electronic effects in various sterically unbiased trigonal carbon centers continues to attract considerable theoretical and experimental ...Among the many models, transition-state ... See full document
9
PHOTOCYCLOADDITION OF FUMARONITRILE TO ADAMANTAN-2-ONES AND MODIFICATION OF FACE SELECTIVITY BY INCLUSION IN BETA-CYCLODEXTRIN AND ITS DERIVATIVES
... The present results, by modification of p-CD and by tuning the sizes of the substrates and hosts, have demonstrated that the attack of fumaronitrile can be directed towards the expos[r] ... See full document
7
Asymmetric Organocatalytic Synthesis of Highly Substituted Cyclohexenols by Domino Double-Michael Reactions of 1-Hydroxy-1,4-dien-3-ones and 2-Alkylidenemalononitriles
... Domino reactions / Michael addition / Cinchona alkaloids / Enones / Carbocycles A facile asymmetric synthetic protocol to afford 4-hydroxy-3-keto- 2,6-disubstituted-cyclohex-3-ene-1,1-dicarbonitriles ... See full document
9
Preparing to Face the World
... Humanistic education accompanied by Humanistic education accompanied by good good professional training professional training. Interdisciplinary education Interdisciplinary educati[r] ... See full document
23
Reactions of the cationic diruthenium carbonyl complex [Ru2(μ-dppm)2(CO)4(μ,η2-O2CMe)]+ with bidentate ligands; intramolecularly assisted stereospecific synthesis via the second-sphere face-to-face π–π stacking interactions
... [Ru 2 (CO) 4 (m-dppm) 2 (m,h 2 -O 2 CMe)]- X (X − = BF 4 − (1a), PF 6 − (1b)) [4] were prepared accord- ing to the literature ...All reactions were per- formed under ... See full document
6
Furthermore, the grammar sequencing and coverage are evaluated here with reference to the ones in the MOE textbook
... Raters To achieve objectiveness, four raters are involved in the process of ...include the researcher herself and her three colleagues. Each of these teachers has more than five ... See full document
20
CONTROL OF REGIOSELECTIVITY IN THE DIELS-ALDER REACTIONS OF ALKYL-SUBSTITUTED 1,4-BENZOQUINONES BY BETA-CYCLODEXTRIN AND ITS DERIVATIVES
... As part of our continuing interest in using CDs to control diastereoselectivity in molecular reactions,x we report here a study in which aqueous CDs were applied [r] ... See full document
2
The removal selectivity of titanium and aluminum in chemical mechanical planarization
... Both the chemical and mechanical interactions should be taken into account simultaneously to elucidate the complicated material removal during ...approaches to modeling the CMP process. ... See full document
5
Massive Spalling of Intermetallic in Solder-Substrate Reactions due to limited Supply of the Active Element
... Sn 5 and this phase nucleated between CuZn and Cu, and the spalling of CuZn ...occurred. The analysis in this section can be extended to Zn-doped SnAg, SnCu, and SnAgCu solders, ... See full document
6
Face-to-Face with Nobel Laureates in Physics at HKUST
... two of the most influential scientists of modern times, took part in “Dialogue with Giants in Physics” organized by the HKUST School of ...“Father of the ... See full document
1
Ab Initio Chemical Kinetics for the Unimolecular Decomposition of Si2H5 Radical and Related Reverse Bimolecular Reactions
... enthalpies of the reaction D r H at 0 K, including the isodesmic reactions at this ...level. The results are in reasonable agreement with previous experimental values, for ... See full document
11
Investigating the s-2 subsite selectivity of alkaline proteases in hydrolysis of diastereo-peptide esters and molecular-modeling interpretation
... One structure of the protease and protease inhibitor, obtained from a complex of Eglin-c and subtilisin Carl&erg, shows the mutual interaction of the hydrogen b[r] ... See full document
7
Temperature dependence of rate coefficients of reactions of NO2 with CH3S and C2H5S
... more to the apparent rate coefficient than in cases of HS and CH 3 ...needed to confirm this ...On the basis of present kinetic data, reaction 1 is negligible in ... See full document
5
圖 2：5×5 All-Ones Problem 的初始盤面，所有燈全亮
... 大小為 5×5 的全零問題為基礎而製作[22]。以圖論的觀點來說，這個 問題其實是在找圖中的 even dominating set(簡稱 EDS)，但是並非任 意的圖都可以找到一組 EDS，也就是說並非所有的初始盤面都會有 解，因此許多的研究者投入在找出有解的初始盤面的研究，其中最有 名的是 John Goldwasser 與 William ... See full document
6
Face configuration processing in the human brain: The role of symmetry
... understanding of the spatial relationships between the activated areas, Figure 4 shows an occipital flatmap and inflated version of the same ...As in Figure 2, ... See full document
10
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