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Catalytic Asymmetric Synthesis of Optically Active Allenes from Terminal Alkynes

โœ Scribed by Ye, Juntao; Li, Suhua; Chen, Bo; Fan, Wu; Kuang, Jinqiang; Liu, Jinxian; Liu, Yu; Miao, Bukeyan; Wan, Baoqiang; Wang, Yuli; Xie, Xi; Yu, Qiong; Yuan, Weiming; Ma, Shengming

Book ID
120933728
Publisher
American Chemical Society
Year
2012
Tongue
English
Weight
977 KB
Volume
14
Category
Article
ISSN
1523-7060

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๐Ÿ“œ SIMILAR VOLUMES

Catalytic asymmetric hydrosilylation of
Catalytic asymmetric hydrosilylation of butadiynes: A new synthesis of optically active allenes
โœ Annegret Tillack; Dirk Michalik; Cornelia Koy; Manfred Michalik ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 120 KB

The Rh-catalyzed hydrosilylation of butadiynes to chiral allenes in the presence of chiral phosphine ligands is d~scribed. For the first time an enantiomeric excess of 22% was achieved using PPM ligand ((2S,4S)-(-)-4-(diphenylphosphino)-2-(diphenylphosphinomethyl)-pyrrolidine).