Attempts to generate a cyclopropenylidene. II. Isolation of a spiropentene

✍ Scribed by W.M. Jones; Mary E. Stowe

• Book ID: 104240678
• Publisher: Elsevier Science
• Year: 1964
• Tongue: French
• Weight: 226 KB
• Volume: 5
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(01)89411-9

✦ Synopsis

We have recently reported2 our finding that the reaction of N,Ndimethyl-N'-nitroso-N'-(2,3-diphenyl-2-cyclopropenyl)urea (I) with base in the presence of excess dimethyl fumarate followed by acid work-up gives the methylenecyclopropene3 II according to the following equation.