HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol → Ethyl 7-(3-hydroxypropoxy)-2-ethylchromane-2-carboxylate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Ethyl 7-(3-benzyloxypropoxy)-2-ethylchromane-2-carboxylate | HCID 22737356 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Solvent | Water | HCID 962 | — |
| Product | Ethyl 7-(3-hydroxypropoxy)-2-ethylchromane-2-carboxylate | HCID 22737369 | 98.3% |
Reaction Steps
To an 80 ml ethanol solution of ethyl 7-(3-benzyloxypropoxy)-2-ethylchromane-2-carboxylate (3.76 g, 9.5 mmol) was added water 4 ml and 10% Pd/C 300 mg. This solution was placed in a Parr shaker and was shaken under hydrogen atmosphere (50 psi) overnight. The catalyst was removed by filtration through a pad of celite. The filtrate was concentrated and chromatographed on silica gel. Elution with 30% AcOEt/hexanes gave the title compound 2.88 g as colorless syrup (quant.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06645997B2 |
| Source dataset | uspto-grants-2003_11 |
| ORD ID | ord-531d8e49132d48a7b2fb86a614eb711a |
| Source note | uspto-grants-2003_11 |