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Stereoselective synthesis of (S)-Fmoc-?-nitroalanine was accomplished from (R)-Fmoc-Ser( t Bu)-OH in a total of six steps via oxidation of oxime.Stereocontrolled synthesis of (S)-Fmoc-?-nitroalanine (20) was accomplished from (R)-Fmoc-Ser( t Bu)-OH (14) in a total of six steps via an oxime. 出版机构:Elsevier Science 刊物名称:Tetrahedron Letters 出版时间:2010 ISSN:0040-4039 数据源:报刊文摘
Using this straightforward synthetic strategy, a wide range of valuable chiral building blocks such as ?-amino acids, ?-amino alcohols, epoxides, 1,2-diols, ?-sulfenylated, ?-selenenylated and ? 出版机构:Bentham Science Publishers 刊物名称:Current Organic Chemistry 出版时间:2011 ISSN:1385-2728 数据源:报刊文摘
The design, synthesis, and potential application of the pipecolic linker is presented. This new versatile handle can immobilize primary, secondary, and aromatic amines, as well as alcohols, phenols, and hydrazides, on a solid support. 出版机构:WILEY‐VCH Verlag 刊物名称:Chemistry - A European Journal 出版时间:2010 ISSN:0947-6539 数据源:报刊文摘
This compact economical and scalable sequence enables to perfectly control three contiguous chiral centers. It does not involve any chromatographic purification, and the desired compound is obtained in >99 % de, >99 % ee, and 22 % overall yield under our optimized conditions. 出版机构:WILEY‐VCH Verlag 刊物名称:European Journal of Organic Chemistry 出版时间:2010 ISSN:1434-193X 数据源:报刊文摘
No Abstract 出版机构:WILEY‐VCH Verlag 刊物名称:Angewandte Chemie International Edition 出版时间:2010 ISSN:1433-7851 数据源:报刊文摘
n efficient one-pot preparation of N-ethyl-N-4-nitrophenylsulfonyl (nosyl) amino acid methyl esters was accomplished by a simple N-ethylation reaction by using triethyloxonium tetrafluoroborate in the presence of N,N-diisopropylethylamine. 出版机构:WILEY‐VCH Verlag 刊物名称:European Journal of Organic Chemistry 出版时间:2010 ISSN:1434-193X 数据源:报刊文摘
eries of chiral phosphanylferrocenecarboxamides was prepared by treatment of either 1'-(diphenylphosphanyl)ferrocene-1-carboxylic acid (Hdpf) or its planar-chiral 1,2-isomers with amino acid methyl esters in the presence of peptide coupling agents. 出版机构:WILEY‐VCH Verlag 刊物名称:European Journal of Organic Chemistry 出版时间:2010 ISSN:1434-193X 数据源:报刊文摘
An atom-efficient and stereoselective synthesis has been developed for the preparation of ?-2H-labelled (S)-?-amino acids, starting from a novel chiral diketopiperazine scaffold.
出版机构:Springer Vienna 刊物名称:Amino Acids 出版时间:2010 ISSN:0939-4451 数据源:报刊文摘
Fmoc??2hSer(tBu)?OH was converted to Fmoc??2hSec(PMB)?OH in five steps.
出版机构:WILEY‐VCH Verlag 刊物名称:Helvetica Chimica Acta 出版时间:2011 ISSN:0018-019X 数据源:报刊文摘
The synthesis of monodisperse polymers with a defined monomer sequence is a new challenge in polymer chemistry. Recently, we introduced a novel synthetic strategy towards monodisperse, sequence?
出版机构:WILEY‐VCH Verlag 刊物名称:Macromolecular Rapid Communications 出版时间:2011 ISSN:1022-1336 数据源:报刊文摘
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