[4 + 2] Cycloadditions of diphenylketene with a highly substituted 1,3-diene

Mayr, Herbert and Heigl, Ulrich W. (1987): [4 + 2] Cycloadditions of diphenylketene with a highly substituted 1,3-diene. In: Journal of the Chemical Society, Chemical Communications: pp. 1804-1805

Abstract

Diphenylketene (2) undergoes [4 + 2] cycloadditions with the s-cis fixed diene (1) to give the dihydropyran (3) and the cyclohexenone (4).

• Item Type: Article
• Collections: Chemistry and Pharmacy
• Subjects: 500 Science > 540 Chemistry