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Title: Facile ring opening of 2-aryl[1,3,4]oxadiazino[5,6-<i style="">b</i>]quinoxalines with sodium alkoxides
Authors: Dubey, P K
Naidu, A
Vijaya, S
Vineel, B George
Issue Date: Mar-2005
Publisher: CSIR
Series/Report no.: <b>Int</b>.<b>Cl</b>.<b><sup>7</sup> C 07 D 215/00</b>
Abstract: Reactions of 2,3-dichloroquinoxaline <b>1</b> with various acid hydrazides <b>2</b> in acetonitrile under PTC conditions give the corresponding oxadiazinoquinoxalines <b>3</b>, which on reaction with sodium alkoxides in alcohol yielded the respective ring opened products i.e. 2-acylhydrazino-3-alkoxyquioxalines <b>4</b>. The compound <b>4</b> has been also synthesised from 2-acylhydrazino-3-chloroquinoxaline <b>5</b>, which is obtained by the reaction of <b>1</b> with <b>2</b> in DMF at room temperature.<b style=""></b>
Description: 573-576
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(03) [March 2005]

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