Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
cis to trans Epimerization of 1-(4’-nitro)-tetrahydro-β-carboline 7h under the conditions of Hamaker.34
 | ||||
|---|---|---|---|---|
| Ethanolic HCl | Time | 7h % |
8h % |
15 % |
| saturated solution | 3 h | 90 | 10 | < 1a |
| 10 h c | ND | ND | ND | |
| 1:2 dilution with EtOH |
2 d | 60 | 40 | < 1 b |
| 4 d | 25 | 75 | < 1 b | |
Analyzed by 1H NMR;
by TLC;
decomposition occurred.
