13-Oxabicyclo[10.1.0]tridecane → Cyclododecanone

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Reaction Steps

Further, SU Patent 407,874 discloses an isomerization reaction of an epoxycyclododecane, in the presence of a catalyst consisting of anhydrous LiBr, in no solvent. In examples of the SU patent, it is reported that, when the reaction was carried out in an amount of LiBr of 4% by weight at a reaction temperature of 120 to 130° C. for a reaction time of 18 hours or in an amount of LiBr of 3.3% by weight at a reaction temperature of 200° C. for a reaction time of 3 hours, the target cyclododecanone was obtained at a yield of 100% or 83.3%.

Provenance & Evidence