Chen Wei-qing
2010
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Journal
Fine Chemical Intermediates
Abstract
A new process for the preparation of 4,4-dimethyloxazolidine-2-thione was developed that the product from the condensation of 2-amino-2-methylpropanol with carbon disulfide was dissolved into water,followed by cyclization in aqueous NaOH solution.This technique avoided the toxic vaporous carbon disulfide and extra impurities.The product yield was increased from 40% to 68% with purity of 99.3%.