HuagongsheHuagongshe Chemistry Print Report · For research reference only
Diisopropylethylamine → 2-[(Isoquinoline-3-carbonyl)-amino]-benzooxazole-7-carboxylic acid methyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) | HCID 2733084 | — |
| Reactant | 3-Isoquinolinecarboxylic acid hydrate | HCID 2736704 | — |
| Reactant | Methyl 2-amino-1,3-benzoxazole-7-carboxylate | HCID 66940222 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 2-[(Isoquinoline-3-carbonyl)-amino]-benzooxazole-7-carboxylic acid methyl ester | HCID 66940311 | — |
Reaction Steps
2-[(Isoquinoline-3-carbonyl)-amino]-benzooxazole-7-carboxylic acid methyl ester was prepared according to general procedure A using 1.052 g (5.5 mmol) of isoquinoline 3-carboxylic acid hydrate, 797 mg (4.15 mmol) of 2-amino-benzooxazole-7-carboxylic acid methyl ester, 2.09 g (5.5 mmol) of HBTU, 1.58 mL (9 mmol) of DIEA and 14 mL of DMF stirring at 90° C. for 3 h. 684 mg (1.97 mmol, 48%) of the product was obtained. LCMS: 348 (M+1)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08946259B2 |
| Source dataset | uspto-grants-2015_02 |
| ORD ID | ord-078b007044514412847db0cc0a70713b |
| Source note | uspto-grants-2015_02 |