FIRST DIRECT SYNTHESIS OF PYRROLO[1,2-A]THIENO[3,2-E]DIAZEPINES OR PYRROLO[1,2-A]THIENO[2,3-E][1,4]DIAZEPINES, THIOPHENE ANALOGS OF PYRROLO[2,1-C][1,4]BENZODIAZEPINES
S. Jolivetfouchet et al., FIRST DIRECT SYNTHESIS OF PYRROLO[1,2-A]THIENO[3,2-E]DIAZEPINES OR PYRROLO[1,2-A]THIENO[2,3-E][1,4]DIAZEPINES, THIOPHENE ANALOGS OF PYRROLO[2,1-C][1,4]BENZODIAZEPINES, Tetrahedron letters, 39(30), 1998, pp. 5369-5372
Condensation of 2-thiaisatoic anhydride 1 or 3-thiasatoic anhydride 2
with proline 4a or hydroxyproline 4b led to the pyrrolo[1,2-a]thieno[3
,2-e]- and [2,3-e][1,4]diazepine derivatives 5, 6, 10 and 11. (C) 1998
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