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Highly Efficient Synthesis of Stereodefined Multisubstituted 1,4-Dicyano- and 1-Cyano-1,3-butadienes and Their Reactions with Organolithium Reagents

โœ Scribed by Congyang Wang; Chao Wang; Qifeng Wang; Zhihui Wang; Hui Sun; Xiangyu Guo; Zhenfeng Xi


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
227 KB
Volume
13
Category
Article
ISSN
0947-6539

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Reactions of a sterically protected 2,3-
โœ Shigekazu Ito; Kozo Toyota; Masaaki Yoshifuji ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 177 KB ๐Ÿ‘ 1 views

The reactions of 2,3-dichloro-1,4-diphospha-1,3-butadiene, which is sterically protected with the 2,4,6-tri-t-butylphenyl group, with some nucleophiles, including alkyllithium reagents and lithium aluminum hydrides, afforded 1,2-diphosphinoacetylenes or 3-phosphino-1-phosphaallenes.