Synthesis and central nervous system stimulant activity of camphor-1,2,3-triazine fused with diphenylcyclopropenone and camphor-1,2,3-triazine n-oxides
✍ Scribed by Shin-Ichi Nagai; Taisei Ueda
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2000
- Tongue
- English
- Weight
- 149 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0022-152X
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Reactions of camphor‐1,2,3‐triazine 1 with diphenylcyclopropenone 2 gave two cycloadducts; 6,9‐methanopyrazolo[1,2‐b][1,2,3]benzotriazinones 3–4. Oxidation of 1 with 3‐chloroperbenzoic acid gave 1‐oxide 5 as the major compound along with a trace of 1,2‐dioxide 6.
📜 SIMILAR VOLUMES
## Abstract Novel camphor‐1,2,4‐triazines fused with imidazole 2–3, thiadiazole 4, 1,2,4‐triazole 7, pyrimidine 9–13 and 1,3,5‐triazine 14, were synthesized starting from (5__R__,8__S__)‐3‐amino‐5,9,9‐trimethyl‐5,6,7,8‐tetrahydro‐5,8‐methano‐1,2,4‐benzotriazine 1. Evaluation of central nervous syst
## Abstract 5,8‐Methanoquinazolines fused with 1,2,4‐triazole 4–5, tetrazole 6, and 1,2,4‐triazine 8 were prepared starting from 2‐hydrazino‐5,8‐methanoquinazoline 3. Compound 3 and 6 showed the most potent central nervous system (CNS) stimulant activities.
## Abstract 5,8‐Methanoquinazolines fused with imidazoles 4a‐4b, thiadiazoles 5–6, pyrimidines 7, 9, 11 and 12, and 1,3,5‐triazine 13 were prepared starting from (5__R__,8__S__)‐2‐amino‐8,9,9‐trimethyl‐5,6,7,8‐tetrahydro‐5,8‐methanoquinazoline 3. Most compounds possessed central nervous system stim