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A convenient route to aryl substituted chloro and bromo olefins

โœ Scribed by Sudha Kumaraswamy; K.C.Kumara Swamy

Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
107 KB
Volume
38
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

A wide range of aryl substituted chloro and bromo olefms has been prepared by treating ct-ehloro and ct-bromophosphonates derived from l-hydrido-5,5-dimethyl-l,3,2dioxaphosphorinane with sodium hydride in THF at 0ยฐC followed by an aldehyde.

๐Ÿ“œ SIMILAR VOLUMES

A convenient route to alkyl, alkynyl and
A convenient route to alkyl, alkynyl and aryl substituted 7-azabicyclo[2.2.1]heptadienes
โœ Chunming Zhang; Mark L Trudell ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 364 KB

3-Bmmopropiolates underwent a smooth [4+2] cycloaddition reaction with N-acylpyrroles to afford N-acyl-2-alkoxycarbonyi-3-bromo-7-azabicyclo[2.2.1]hepmdienes in good yields. The 3-bromo-2,7-dimethoxycarbonyl-7-azabicyclo[2.2.1]hepladiene was further t~ansformed to 3-alkyl-, 3-alkynyi-and 3-atyl-2,7-