STUDIES ON THE REACTIONS OF 2-BROMO-3-KETOTRITERPENOIDS .3. REACTION OF LI EDA ON 2 ALPHA-BROMO AND 2,2-DIBROMO DERIVATIVES OF LUPANONE ANDMETHYL DIHYDROBETULONATE/

Authors
PRADHAN BP GHOSH P
Citation
Bp. Pradhan et P. Ghosh, STUDIES ON THE REACTIONS OF 2-BROMO-3-KETOTRITERPENOIDS .3. REACTION OF LI EDA ON 2 ALPHA-BROMO AND 2,2-DIBROMO DERIVATIVES OF LUPANONE ANDMETHYL DIHYDROBETULONATE/, Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry, 32(10), 1993, pp. 1068-1069
Citations number
9
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Indian journal of chemistry. Sect. B: organic chemistry, including medical chemistry → ACNP
ISSN journal
03764699
Volume
32
Issue
10
Year of publication
1993
Pages
1068 - 1069
Database
ISI
SICI code
0376-4699(1993)32:10<1068:SOTRO2>2.0.ZU;2-I
Abstract
The reaction of lithium in ethylenediamine with 2,2-dibromo (1/1') and 2alpha-bromo (2/2') derivatives of lupanone (3) and methyl dihydrobet ulonate (3') furnishes lupanone/methyl dihydrobetulonate (3/3') and th e pyrazine derivative (4/4').