HuagongsheHuagongshe Chemistry Print Report · For research reference only
3-butyl-7-chloro-5-methyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid, ethyl ester → 7-butoxy-3,5-dimethyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid, ethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3-butyl-7-chloro-5-methyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid, ethyl ester | HCID 12387639 | — |
| Reactant | 7-chloro-3,5-dimethyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid ethyl ester | HCID 12387640 | — |
| Product | 7-butoxy-3,5-dimethyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid, ethyl ester | HCID 86734420 | 61% |
Reaction Steps
By replacing 3-butyl-7-chloro-5-methyl-3H-imidazo[4,5-b]-pyridine-6-carboxylic acid, ethyl ester in Example 5 with 7-chloro-3,5-dimethyl-3H-imidazo[4,5-b]pyridine-6-carboxylic acid, ethyl ester of Example 2 c, 7-butoxy-3,5-dimethyl-3H-imidazo[ 4,5-b]pyridine-6-carboxylic acid, ethyl ester is formed. Yield 61%, b.p. 180°-190° /0.01.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04003908 |
| Source dataset | uspto-grants-1977_01 |
| ORD ID | ord-342ec246c01c4a5f8acc66d8f953325e |
| Source note | uspto-grants-1977_01 |