1,3-DIPOLAR CYCLOADDITION OF 3-ARYLIDENECHROMANONE-1-THIOCHROMANONE AND 3-ARYLIDENECHROMANONE-1-FLAVANONE - REGIOSELECTIVE AND STEREOSELECTIVE FORMATION OF SPIROHETEROCYCLES

Authors
FISERA L JAROSKOVA L LEVAI A JEDLOVSKA E TOTH G POLAKOVA M
Citation
L. Fisera et al., 1,3-DIPOLAR CYCLOADDITION OF 3-ARYLIDENECHROMANONE-1-THIOCHROMANONE AND 3-ARYLIDENECHROMANONE-1-FLAVANONE - REGIOSELECTIVE AND STEREOSELECTIVE FORMATION OF SPIROHETEROCYCLES, Heterocycles, 45(9), 1997, pp. 1651-1655
Citations number
10
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Heterocycles → ACNP
ISSN journal
03855414
Volume
45
Issue
9
Year of publication
1997
Pages
1651 - 1655
Database
ISI
SICI code
0385-5414(1997)45:9<1651:1CO3A>2.0.ZU;2-X
Abstract
The cycloaddition of nitrile oxides, nitrones, and nitrile imines to 3 -arylidenechromanone (1), -flavanone (5), -1-thiochromanone (2) and -1 -tetralone (3) proceeds regio-and stereoselectively under the formatio n of spiro-substituted isoxazole and pyrazole derivatives.