No abstract is available for this article.doi:10.1002/ange.19650771323F. CramerJohn Wiley & Sons, Ltd.Angewandte Chemie
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A simple and diastereoselective method for the synthesis of ( R)- and ( S)-α-alkyl isoserines has been developed in four steps starting from commercially available d- and l-malic acid, respectively. This approach features stereocontrolled alkylation of 2-(2- tert-butyl-5-oxo-1,3...
Two modular and highly convergent approaches for the synthesis of both isomers of a large number of optically pure C(2)-symmetric bis-sulfoxides have been ... N Khiar,CS Araújo,F Alcudia,... - 《Journal of Organic Chemistry》 被引量: 134发表: 2002年 Applications of N′-alkylated deriva...
as the chemical compound of desire R or S aminokarunichin of the below-mentioned formula, preparation manner of R or S hosuhoniumuaminokarunichin and R and the S 3,4 diamino butane Acid, and that derivative is stated:< Conversion 1 >[In formula, as for Y as in definition of bill]...
Novel flexible oligodeoxynucleotide analogues containing (R)- and (S)-3',4'-seco-thymidine were synthesized on an automated DNA-synthesizer using the phosphoramidite approach. Oligodeoxynucleotide analogues (17-mers) having one or three modifications in the middle or one or two modifications in the ...
摘要:翻译了David R.Klein教授在2012年编著的《Organic Chemistry》的主要内容,全书27章,这本书仍然依照传统官能团分类编排,但将重点放在机理的介绍上。第六章介绍了化学反应和机制,第十二章介绍了合成的知识。正文之后给出各章所涉及的概念和词汇小结、关键术语,有助于教师的教学总结和学生的自修性复习。正文中间的...
Reaction of butyllithium with acetylene and 1-hexyne gave the corresponding lithium acetylides which reacted with (-)-( R) - and (+)-( S -carvone in a stereospecific fashion to give lithium (1-ethynyl- or 1-hexynyl)-5-isopropenyl-2-methyl-2-cyclohexenolates. Hydrolysis of the latter ...
Organic Chemistry 2nd Edition by David R. Klein(英文入门级) 敗北學者 吾愿当那孙大圣,斩尽妖雾镇乾坤 !5 人赞同了该文章 Organic Chemistry, 2nd Edition by David R. Klein (z-lib.org).pdf 148.9M· 百度网盘编辑于 2021-07-16 18:12赞同52 条评论 分享喜欢收藏申请转载...