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Table 2 Effect of catalysts on yields of cyclization

From: A novel synthesis method of cyclopentadecanone and cyclopentadecanolide from vegetable oil

catalysts on

Yields of cyclopentadecanolide (%)a

NaOH

37.0

CH3ONa

52.0

CH3ONa/ NaOH

63.0

Preparation method of Fig. 2

15.3

  1. aIt is the yield calculated based on 15-tetracosenic acid as raw material