ChemInform Abstract: Synthesis of Quinazoline‐4‐thione and 1H‐Indazole Derivatives.

Abstract

The indazoles (II) are prepared by condensation of the known thioanilides (I) or (III) with hydrazine.

Facile Preparation of Hexahydropyrrolo[3,2-e][1,4]diazepine- 2,5-diones and Tetrahydrofuro[1H][3,2-e][1,4]diazepine- 2,5-diones by Rearrangements of Cyclopropylketimines and Cyclopropylketones

“…2 Synthetic derivatives have shown anxiolytic, 3 anticonvulsive, 4 antitumor, 5 and antithrombotic activities. 6 Moreover, they have been found to possess fungicidal and plant growth regulating activities 7 and have been evaluated for their herbicidal activity. 8 Althouth the elaboration of various substitution patterns of 1 is well established, 9 only a limited number of the reported examples of such compounds contain imidazo, pyrido, or thieno moieties instead of the more common benzo ring.…”