HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,2-Dichloroethane → HCID 46196348, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,2-Dichloroethane | HCID 11 | — |
| Reactant | 1-Chloroethyl chloroformate | HCID 521305 | — |
| Reactant | HCID 67402567 | HCID 67402567 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | HCID 46196348 | HCID 46196348 | 65% |
Reaction Steps
Preparation according to Example 1. (−)-1-benzyl-3-(3-chloro-2-fluorophenyl)-3-methoxypyrrolidine (0.82 g, 2.56 mmol), 1,2-dichloroethane (10 ml), 1-chloroethyl chloroformate (1.12 ml, 10.25 mmol) refluxed for 2 h, and methanol (20 ml) reflux 1 h. Purification by HPLC on waters OBD C18, 5 μm (MeOH/33 mM NH3, 20:80 to 50:50) gave the title compound (0.38 g, 65%). [a]D=−7.1° (methanol). The amine was converted to the oxalic acid salt and recrystallized from methanol/diethyl ether: M.p. 183-185° C. MS m/z (rel. intensity, 70 eV) 229 (M+, 1), 199 (87), 187 (bp), 157 (55), 133 (51).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09035073B2 |
| Source dataset | uspto-grants-2015_05 |
| ORD ID | ord-7e8bde35d0dc4710a9ec680481a5e77e |
| Source note | uspto-grants-2015_05 |