25-May-2013
18:51:59 IST
|
NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR) >
NISCAIR PUBLICATIONS >
Research Journals >
Indian Journal of Chemistry -Section B (IJC-B) >
IJC-B Vol.46B [2007] >
IJC-B Vol.46B(01) [January 2007] >
| Title: | Synthesis of some pyrazino, pyrimido and mercaptopyrimido annelated carbazoles using 2-hydroxymethylene-1- oxo-1,2,3,4- tetrahydrocarbazoles |
| Authors: | Sangeetha, V
Prasad, K J Rajendra |
| Keywords: | 1-oxo-2-hydroxymethylene-1,2,3,4-tetrahydrocarbazole
4,5-dihydro-2H-pyrazino[3,4-a]carbazoles
2-cyano-1-hydroxycarbazoles
2,4-dihydroxy-1,4,5,6-tetra-hydropyrimido[4,5-a]carbazoles
4-hydroxy-2-mercapto-1,4,5,6-tetrahydropyrimido- [4,5-a]carbazoles |
| Issue Date: | Jan-2007 |
| Publisher: | CSIR |
| IPC Code: | Int. Cl.⁸ C07D |
| Abstract: | Treatment of 1-oxo-2-hydroxymethylene-1,2,3,4- tetrahydrocarbazole 1 with hydrazine hydrate, hydroxylamine hydrochloride, urea and thiourea in the presence of gl. acetic acid afforded the novel carbazole derivatives namely 4,5-dihydro-2H-pyrazino [3,4-a] carbazoles 2, 2-cyano-1- hydroxycarbazoles 3, 2,4-dihydroxy-1,4,5,6- tetrahydropyrimido[4,5-a]carbazoles 4 and 4-hydroxy-2-mercapto-1,4,5,6- tetrahydropyrimido- [4,5-a]carbazoles 5 respectively. |
| Page(s): | 135-140 |
| ISSN: | 0376-4699 |
| Source: | IJC-B Vol.46B(01) [January 2007]
|
|
