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An improvement of the (1R,2S,5R)-(−)-menthyl (S)-p-toluenesulfinate synthesis
2021
SynOpen
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The preparation of menthyl p-toluenesulfinate has been reported using different procedures described in this spotlight highlighting the procedure of Solladié as the most convenient and efficient. A number of fundamental modifications of the Solladié's reaction conditions are described in this spotlight allowing the most cost-efficient preparation of a tens-of-gram of enantiopure menthyl p-toluenesulfinate in one day without significant by-product formation, with an excellent yield of 72% and a d.r. > 98:2.
doi:10.1055/a-1394-1235
fatcat:hgph57tbtrftdhliwvbyg6uj2a