Synthesis of 3,4-Bis (4′-Methylphenyl) Thieno [2,3-b]Thiophene: First Example of Peri-Diaryl Thienothiophene
作者:Sabir H. Mashraqui、Harini Hariharasubrahmanian
DOI:10.1080/00397910008087211
日期:2000.4
3,4-bis(4 '-methylphenyl) thienothiophene, the first example of peri-( 3,4) diaryl thienothiophene has been synthesized by a sequence involving preparation of ketene dithioacetal, Dieckmann type cyclization, ester hydrolysis and decarboxylation.