HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methyl Acrylate → (E)-3-{1'-tert-butoxycarbonyl-4-oxo-spiro[chromane-2,4'-piperidine]-7-yl}-acrylic acid methyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methyl Acrylate | HCID 7294 | — |
| Reactant | N-Boc-7-bromo-4-oxo-3,4-dihydro-1'H-spiro[chromene-2,4'-piperidine] | HCID 27281806 | — |
| Reactant | (E)-3-{4-oxo-spiro[chromane-2,4'-piperidine]-6-yl}-acrylic acid methyl ester | HCID 52952093 | — |
| Product | (E)-3-{1'-tert-butoxycarbonyl-4-oxo-spiro[chromane-2,4'-piperidine]-7-yl}-acrylic acid methyl ester | HCID 52952088 | — |
Reaction Steps
7-Bromo-4-oxo-spiro[chromane-2,4′-piperidine]-1′-carboxylic acid tert-butyl ester (9.1 g, 23 mmol) was treated with methyl acrylate according to the procedure for preparation of Intermediate 1, Step B, giving (E)-3-{1′-tert-butoxycarbonyl-4-oxo-spiro[chromane-2,4′-piperidine]-7-yl}-acrylic acid methyl ester (7.07 g) as a yellow solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08592444B2 |
| Source dataset | uspto-grants-2013_11 |
| ORD ID | ord-ee781c3c706e4107afc69387842de34c |
| Source note | uspto-grants-2013_11 |