Syntheses and Properties of 2,2′-Binaphtho[1,8-De]-1,3-Dithiinylidene and Its Selenium Analog, 2-(1,3-Dithiol-2-Ylidene)naphtho[1,8-De]-1,3-Dithiin, and 2-(4h-Thiopyran-4-Ylidene)naphtho[1,8-De]-1,3-Dithiin

Bulletin of the Chemical Society of Japan - Japan

doi 10.1246/bcsj.61.953