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- [33] INTRAMOLECULAR CYCLIZATION - SYNTHESIS OF 9-OXO-4H,9H-PYRROLO[1,2-A]THIENO[2,3-D]PYRIDINE AND 4-OXO-4H,9H-PYRROLO[1,2-A]THIENO[2,3-D]PYRIDINE - SYNTHESIS OF PYRROLO[1,2-A]THIENO[3,2-E][1,4]DIAZEPINE AND PYRROLO[1,2-A]THIENO[2,3-E][1,4]DIAZEPINE JOURNAL OF HETEROCYCLIC CHEMISTRY, 1991, 28 (01) : 81 - 87