HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methyl 4-(benzyloxy)-3-chloro-5-isopropoxybenzoate → Methyl 3-chloro-4-hydroxy-5-isopropoxybenzoate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methyl 4-(benzyloxy)-3-chloro-5-isopropoxybenzoate | HCID 67041754 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | Methyl 3-chloro-4-hydroxy-5-isopropoxybenzoate | HCID 67041588 | 92.6% |
Reaction Steps
Methyl 4-(benzyloxy)-3-chloro-5-isopropoxybenzoate (2) (3.00 g, 8.96 mmol) was dissolved in a mixture of MeOH (100 mL), DCM (10 mL) and AcOH (0.1 mL) and the solution was passed through a Thales ‘H-cube’ cartridge (10% Pd/C) at a flow rate of 1 mL/min at 25° C. under H2 (full H2 mode). The solvents were removed in vacuo to afford methyl 3-chloro-4-hydroxy-5-isopropoxybenzoate (3) (2.03 g, 89%): m/z 245 [M+H]+ (ES+), 243 [M−H](ES−).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09447028B2 |
| Source dataset | uspto-grants-2016_09 |
| ORD ID | ord-f5db253460074a979603560ee7beaf1e |
| Source note | uspto-grants-2016_09 |