Patent ID: 9556403
Date: 2017-01-31
CPC Classifications: C07C,C07D,C08G,C11C

Claim:
1. A method for preparing a polyol fitting the general formula (I): wherein: A said method comprising the following steps: a) a step for transesterification of a compound of the following formula (II): R R with a diol of the following formula (III): in order to obtain a compound of the following formula (IV): A Y A b) a step for epoxidation of the compound of the aforementioned formula (IV) in order to obtain a compound of the following formula (V): A Y A c) a step for opening the epoxide ring with an alcohol of formula R′OH, R′ being as defined above, in order to obtain a compound of formula (I) as defined above, and d) a step for recovering the compound of formula (I) as defined above.