A reinvestigation of the reactions of 3-substituted chromones with hydroxylamine. Unexpected synthesis of 3-amino-4H-chromeno{[}3,4-d]-isoxazol-4-one and 3-(diaminomethylene)chroman-2,4-dione / Sosnovskikh Vyacheslav Ya.,Moshkin Vladimir S.,Kodess Mikhail I. // TETRAHEDRON LETTERS. - 2008. - V. 49, l. 48. - P. 6856-6859.

ISSN/EISSN:

0040-4039 / нет данных

Type:

Article

Abstract:

Reactions of 3-substituted chromones (3-formylchromone, 3-formylchromone-3-oxime, and 3-cyanochromone) with hydroxylamine in alkaline medium were reinvestigated, and a proof of structures and a probable reaction pathway are presented. Syntheses of 2-aminochromone-3-carboxamide, 3-amino-4H-chromeno{[}3,4-d]isoxazol-4-one, and 3-(diaminomethylene)chroman-2,4-dione were developed. (c) 2008 Elsevier Ltd. All rights reserved.

Author keywords:

3-Substituted chromones; Hydroxylamine; 2-Aminochromone-3-carboxamide; 3-Amino-4H-chromeno{[}3,4-d]isoxazol-4-one; 3-(Diaminomethylene)chroman-2,4-dione BENZO-GAMMA-PYRONES; ANTIANAPHYLACTIC AGENTS; VILSMEIER REAGENTS; FACILE SYNTHESIS; 3-FORMYLCHROMONE; DERIVATIVES; CHEMISTRY; ACID; 4-OXO-4H-1-BENZOPYRAN-3-CARBOXALDEHYDES; 3-CYANO-4-BENZOPYRONES

DOI:

10.1016/j.tetlet.2008.09.091

Web of Science ID:

ISI:000260843500032

Соавторы в МНС:

Другие поля

Поле	Значение
Month	NOV 24
Publisher	PERGAMON-ELSEVIER SCIENCE LTD
Address	THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Language	English
Keywords-Plus	BENZO-GAMMA-PYRONES; ANTIANAPHYLACTIC AGENTS; VILSMEIER REAGENTS; FACILE SYNTHESIS; 3-FORMYLCHROMONE; DERIVATIVES; CHEMISTRY; ACID; 4-OXO-4H-1-BENZOPYRAN-3-CARBOXALDEHYDES; 3-CYANO-4-BENZOPYRONES
Research-Areas	Chemistry
Web-of-Science-Categories	Chemistry, Organic
Author-Email	vyacheslav.sosnovskikh@usu.ru
ResearcherID-Numbers	Moshkin, Vladimir/E-6623-2017
Funding-Acknowledgement	RFBR {[}06-03-32388]; CRDF {[}BP2M05]
Funding-Text	This work was financially supported by the RFBR (Grant 06-03-32388) and CRDF (Grant BP2M05).
Number-of-Cited-References	36
Usage-Count-Since-2013	2
Journal-ISO	Tetrahedron Lett.
Doc-Delivery-Number	371PN