HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phenylacetonitrile → 3-Pyrazolecarboxylic acid, 4-amino-5-phenyl-, ethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phenylacetonitrile | HCID 8794 | — |
| Reactant | Ethyl diazoacetate | HCID 12192 | — |
| Product | 3-Pyrazolecarboxylic acid, 4-amino-5-phenyl-, ethyl ester | HCID 3053481 | — |
Reaction Steps
4-Amino-5-phenyl-2H-pyrazole-3-carboxylic acid ethyl ester is prepared from benzyl cyanide and ethyl diazoacetate, using the condition described in Rochais, C.; Lisowski, V.; Dellemagne, P.; Rault, S. Tetrahedron Lett. 2004, 45, 6353. HPLC-MS calculated for C12H13N3O2 (M+H+) 232.1. Found: 232.2.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08158634B2 |
| Source dataset | uspto-grants-2012_04 |
| ORD ID | ord-00ee26b73482468dbe1d260e4bdbc9b5 |
| Source note | uspto-grants-2012_04 |