Additions 1,3-dipolaires du diazo-2-propane sur le diacetylene et evolution photochimique des 3H-pyrazoles formes.

✍ Scribed by M. Franck-Neumann; P. Geoffroy; J.J. Lohmann

• Publisher: Elsevier Science
• Year: 1983
• Tongue: French
• Weight: 241 KB
• Volume: 24
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)81767-0

✦ Synopsis

Diace~yLene 4eucti wtih Z-o!iuzuptlapane to give the ace.tyLenic 3H-pymzole 1 and the bD 3H-pytrazole Il. By photoiCy& boLh azo-he,temcycLen &ad to mvr,tanged acetyLenLc compoun&. The obnehved phoducti me benf expLained by the .&&hV~tiOn 06 wznn*ticcted canbeneh which do noX cycfize in&~ CqC~OphOpUEA.