[4+2] cycloaddition reactions of various 1,3-diaza-1.3-Butadienes with ketenes

✍ Scribed by Sujit N. Mazumdar; Mohinder P. Mahajan

• Publisher: Elsevier Science
• Year: 1991
• Tongue: French
• Weight: 704 KB
• Volume: 47
• Category: Article
• ISSN: 0040-4020
• DOI: 10.1016/s0040-4020(01)86423-1

✦ Synopsis

cycloaddition reactions of I-aryl-4-dimethylamino-1,3diaza-1,3-butadienes (~),l-aryl-4-dimethylamino-2-methylthio-l,3-diaza-l,3butadienes 12). l-aryl-4-methylthio-2-phenyl-4-sec.amino-l,3-diaza-l,3butadienes ( 2) and 4, 4-bis~sec.amino~-l,2-diphenyl-l,3-diaza-l,3-bu~adienes 112) with monophenylketene and similar cycloaddition reactions of 1, 2 and L2 with monochloroketene are described.