专利号:US-2013196019-A1 优先权日:2010-03-18 标 题:Silicon-containing block co-polymers, methods for synthesis and use 发明人:WILLSON C GRANT; BATES CHRISTOPHER M; STRAHAN JEFFREY; ELLISON CHRISTOPHER JOHN; MUELLER BRENNEN 权利人:WILLSON C GRANT; BATES CHRISTOPHER M; STRAHAN JEFFREY; ELLISON CHRISTOPHER JOHN; MUELLER BRENNEN; NAT UNIVERSITY OF SINAPORE 摘要:The present invention describes the synthesis of silicon-containing monomers and copolymers. The synthesis of a monomer, trimethyl-(2-methylenebut-3-enyl)silane (TMSI) and subsequent synthesis of diblock copolymer with styrene, forming polystyrene-block-polytrimethylsilyl isoprene, and synthesis of diblock copolymer Polystyrene-block-polymethacryloxymethyltrimethylsilane or PS-b-P(MTMSMA). These silicon containing diblock copolymers have a variety of uses. One preferred application is as novel imprint template material with sub-100 nm features for lithography.
专利号:US-8410305-B2 优先权日:2007-11-12 标题 :Intermediates and methods for the preparation of epothilones 发明人:CHEN YUE; LI YONG 权利人:CHEN YUE; LI YONG; KOSAN BIOSCIENCES INC 摘要:Highly efficient methods are provided for preparing key intermediates in the synthesis of epothilones and use new alane reagents which are broadly applicable and can provide selected components having a variety of substituents groups.
专利号:US-7220870-B2 优先权日:1995-03-14 标 题:Hydrolytic kinetic resolution of cyclic substrates 发明人:JACOBSEN ERIC N; TOKUNAGA MAKOTO; LARROW JAY F 权利人:HARVARD COLLEGE 摘要:The present invention relates to a process for stereoselective or regioselective chemical synthesis which generally comprises reacting a nucleophile and a chiral or prochiral cyclic substrate in the presence of a non-racemic, chiral catalyst to produce a stereoisomerically- and/or regioisomerically-enriched product. The present invention also relates to hydrolytic kinetic resolutions of racemic and diastereomeric mixtures of epoxides.
摘要:Johnson, J. B., Science of Synthesis: Stereoselective Synthesis, (2011) 3, 779. 摘要:Ibrahim, H., Science of Synthesis: C-1 Building Blocks in Organic Synthesis, (2013) 2, 183. 摘要:Ibrahim, H., Science of Synthesis: C-1 Building Blocks in Organic Synthesis, (2013) 2, 180. 摘要:Ibrahim, H., Science of Synthesis: C-1 Building Blocks in Organic Synthesis, (2013) 2, 167. 摘要:Ibrahim, H., Science of Synthesis: C-1 Building Blocks in Organic Synthesis, (2013) 2, 178.