HuagongsheHuagongshe Chemistry Print Report · For research reference only
tert-Butyl piperazine-1-carboxylate → 7-(4-t-Butyloxycarbonyl-1-piperazinesulfonyl)-1,2,3,4-tetrahydroisoquinoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | tert-Butyl piperazine-1-carboxylate | HCID 143452 | — |
| Reactant | 2-(Trifluoroacetyl)-1,2,3,4-tetrahydroisoquinoline-7-sulfonyl chloride | HCID 11324902 | — |
| Product | 7-(4-t-Butyloxycarbonyl-1-piperazinesulfonyl)-1,2,3,4-tetrahydroisoquinoline | HCID 18765175 | 35% |
Reaction Steps
The subtitle compound was prepared by the method of Example 16(a) from 1-t-butyloxycarbonylpiperazine and 2-trifluoroacetyl-1,2,3,4-tetrahydroisoquinoline-7-sulfonyl chloride. The product was purified on silica gel, eluting with CH2Cl2/MeOH (93/7, v/v) to afford the subtitle compound (35%) as a colourless solid. Rf 0.56 (CH2Cl2/MeOH 9/1, v/v). MS m/z 382 (MH+).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06365599B1 |
| Source dataset | uspto-grants-2002_04 |
| ORD ID | ord-88ab39841abc4dadb85c33a6baa76ef3 |
| Source note | uspto-grants-2002_04 |