HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,6-Difluoro-4-prop-2-ynyloxy-benzylalcohol → (R)-2-Ethyl-piperazine-1,4-dicarboxylic acid 4-tert-butyl ester 1-(2,6-difluoro-4-prop-2-ynyloxy-benzyl)ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,6-Difluoro-4-prop-2-ynyloxy-benzylalcohol | HCID 22219960 | — |
| Reactant | (R)-4-Chlorocarbonyl-3-ethyl-piperazine-1-carboxylic acid tert-butyl ester | HCID 86586001 | — |
| Product | (R)-2-Ethyl-piperazine-1,4-dicarboxylic acid 4-tert-butyl ester 1-(2,6-difluoro-4-prop-2-ynyloxy-benzyl)ester | HCID 86586002 | 67% |
Reaction Steps
This compound was prepared from 2,6-difluoro-4-prop-2-ynyloxy-benzylalcohol and (R)-4-chlorocarbonyl-3-ethyl-piperazine-1-carboxylic acid tert-butyl ester according to the procedure described in Example 179 to give the product as a colorless oil (336 mg; 67%); MS (ISP): 456.5 (M+NH4)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07022707B2 |
| Source dataset | uspto-grants-2006_04 |
| ORD ID | ord-eeaeeb97c752497998243f7315b461fd |
| Source note | uspto-grants-2006_04 |