A facile synthesis of methyl 5-amino-6-chloro-2H-1-benzopyran-8-carboxylate derivatives

Authors
Kakigami, T Baba, K Usui, T
Citation
T. Kakigami et al., A facile synthesis of methyl 5-amino-6-chloro-2H-1-benzopyran-8-carboxylate derivatives, HETEROCYCLE, 48(12), 1998, pp. 2611-2619
Citations number
7
Categorie Soggetti
Organic Chemistry/Polymer Science
Journal title
HETEROCYCLES
ISSN journal
03855414 → ACNP
Volume
48
Issue
12
Year of publication
1998
Pages
2611 - 2619
Database
ISI
SICI code
0385-5414(199812)48:12<2611:AFSOM5>2.0.ZU;2-Z
Abstract
Methyl 6-chloro-5-pivaloy lamino-2H-1-benzopyran-8-carboxylate (4d) was pre pared in good yield as a result of' the thermal cylcization of methyl 5-chl oro-4-pivaloy lamino-2-propargyloxy benzoate (3d) using N.N-diethylaniline as a solvent.