HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Pyrazinecarboxylic acid → 6-Chloro-3-(pyrazin-2-yl)-1,2,4-triazolo[3,4-a]phthalazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Pyrazinecarboxylic acid | HCID 1047 | — |
| Reactant | 1-Chloro-4-hydrazinophthalazine | HCID 2793752 | — |
| Product | 6-Chloro-3-(pyrazin-2-yl)-1,2,4-triazolo[3,4-a]phthalazine | HCID 18361841 | — |
Reaction Steps
The title-compound was prepared from 1-chloro-4-hydrazinophthalazine and pyrazine-2-carboxylic acid as described for Intermediate 1 part c, 1H NMR (250 MHz, CDCl3) δ 7.99 (1H, t, J=7.2 Hz, Ar—H), 8.09 (1H, t, J=8.2 Hz, Ar—H), 8.33 (1H, d, J=6.8 Hz; Ar—H), 8.80 (1H, m, Ar—H), 8.82-8.88 (2H, m, 2 of Ar—H), 9.67 (1H, d, J=1.5 Hz, Ar—H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06310203B1 |
| Source dataset | uspto-grants-2001_10 |
| ORD ID | ord-c2a113d12d8e4b8bb50a1540847901e8 |
| Source note | uspto-grants-2001_10 |