KobayashiKeiji, MutaiKiyoshi
Oct 5, 1977
Citations
0
Influential Citations
7
Citations
Journal
Chemistry Letters
Abstract
The naphtho[2,1-b]thiophene 5 was obtained by the reactions of dimethyl acetylenedicarboxylate (2) with 2,4-diphenylthiophene (1) and with 2,5-diphenyl-1,4-dithiin (6) as well, whereas the reaction of 6 with 2 under the mild conditions yielded the naphtho[1,2-b]thiophene 8.