HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Chloro-4-hydrazinylpyridine → (2S,4R)-4-(2-Chloro-benzenesulfonyl)-1-[2-(2-chloro-pyridin-4-yl)-5-methyl-2H-pyrazol-3-yl]-pyrrolidine-2-carboxylic Acid Methyl Ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Chloro-4-hydrazinylpyridine | HCID 21106442 | — |
| Reactant | (2S,4R)-methyl 4-(2-chlorophenylsulfonyl)-1-(3-oxobutanethioyl)pyrrolidine-2-carboxylate | HCID 86646820 | — |
| Product | (2S,4R)-4-(2-Chloro-benzenesulfonyl)-1-[2-(2-chloro-pyridin-4-yl)-5-methyl-2H-pyrazol-3-yl]-pyrrolidine-2-carboxylic Acid Methyl Ester | HCID 86646821 | — |
Reaction Steps
In analogy to the procedure described in example 192 h, (2S,4R)-4-(2-chloro-benzenesulfonyl)-1-(3-oxo-thiobutyryl)-pyrrolidine-2-carboxylic acid methyl ester (example 253c) was reacted with (2-chloro-pyridin-4-yl)-hydrazine (CAS Reg. No. 700811-29-6) to give the title compound as colorless solid. MS (ESI): m/z=495.1 [M+H]+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08163793B2 |
| Source dataset | uspto-grants-2012_04 |
| ORD ID | ord-050044ecae0b4b68926973c897924ca0 |
| Source note | uspto-grants-2012_04 |