| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | Takasago International |
| PATENT CLAIMS |
3-Oxocarboxylic acid ester (R-CO-CH2-CO2R'; R = 3-17C alkyl & R' = 1-4C alkyl) prepn - Reacting Me-CO-CH2-CO2R' with Ca compd in presence of organic solvent at 10-120C - Further reacting the obtained prodt with a carboxylic acid chloride to acylate it - Adding an alc. in amount 1-5 times by mol as much as Ca compd to deacetylate the same |
| PATENT PHOTOCOPY | Available on request |
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