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Synthesis of benzo[4,5]phenaleno[1,9-bc]thiophene and benzo[4,5]phenaleno[9,1–6c]thiophene |
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| Authors: | Yoshinori Tominaga Raymond N Castle Milton L Lee |
| Abstract: | Two pentacyclic thiophenes, benzo4,5]phenaleno1,9–6c]thiophene ( 1 ) and benzo4,5]phenaleno9,1-bc]-thiophene (2) were synthesized via the corresponding 3-methylphenanthro2,1-b]thiophene (7) and 1-methylanthra2,1–6]thiphene ( 19 ). |
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