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Stereospecific preparation of symmetrical (1Z,3Z) 2,3-difluoro-1,4-disubstituted-buta-1,3-dienes by the coupling reaction between bis(tributyltin) and high E/Z 1-bromo-1-fluoroalkenes

✍ Scribed by Jianjun Xu; Donald J Burton

Publisher: Elsevier Science
Year: 2002
Tongue: French
Weight: 73 KB
Volume: 43
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(02)00846-8

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✦ Synopsis

When the palladium-catalyzed coupling reaction of Bu 3 SnSnBu 3 and high E/Z 1-bromo-1-fluoroalkenes is carried out at room temperature, symmetrical (1Z,3Z) 2,3-difluorinated-1,4-disubstituted-buta-1,3-dienes are successfully prepared in good yields.

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