SYNTHESIS AND FLASH VACUUM PYROLYSIS OF ISOXAZOLO[5,4-D]PYRIMIDINES AND ISOTHIAZOLO[5,4-D]PYRIMIDINES

Authors
KAPPE CO FLAMMANG R WENTRUP C
Citation
Co. Kappe et al., SYNTHESIS AND FLASH VACUUM PYROLYSIS OF ISOXAZOLO[5,4-D]PYRIMIDINES AND ISOTHIAZOLO[5,4-D]PYRIMIDINES, Heterocycles, 37(3), 1994, pp. 1615-1622
Citations number
12
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Heterocycles → ACNP
ISSN journal
03855414
Volume
37
Issue
3
Year of publication
1994
Pages
1615 - 1622
Database
ISI
SICI code
0385-5414(1994)37:3<1615:SAFVPO>2.0.ZU;2-F
Abstract
The multi-step synthesis of isothiazolo[5,4-d]pyrimidines (1c,d) and i soxazolo[5,4-d]pyrimidine (1b) is described. Flash vacuum pyrolysis of lb leads to phenyliminopropadienone, Ph-N=C=C=C=O, which was identifi ed by Ar matrix infrared spectroscopy.