ChemInform Abstract: Synthesis of Imidazo[1,5-c][1,3]benzodiazepines via an Aza-Wittig/Carbodiimide-Mediated Annulation Process.
โ Scribed by P. MOLINA; A. TARRAGA; D. CURIEL; C. RAMIREZ DE ARELLANO
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 35 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0931-7597
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๐ SIMILAR VOLUMES
## Abstract magnified image Carbodiimide **2**, obtained from azaโWittig reaction of iminophosphorane **1** with aromaic isocyanate, reacted with ฮฑโamino ester in the presence of catalytic amount of sodium ethoxide to give selectively new tetracyclic benzothieno[3,2โd]โimidazo[1,2โa]pyrimidineโ2,5
## Abstract magnified image The carbodiimides **2**, obtained from reactions of iminophosphorane **1** with isocyanates, reacted with hydrazine to give selectively 3โaminoโ2โarylaminobenzothieno[3,2โ__d__]pyrimidinโ4(3__H__)โones **4**. Reactions of **4** with triphenylphosphine, hexachloroethane,
## Abstract For Abstract see ChemInform Abstract in Full Text.