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Natural Product Research Part A
Year: 2010  |  Volume: 24  |  Issue: 1  |  Page No.: 18 - 23

Effect of successive increase in alcohol chains on reaction with isocyanates and isothiocyanates

Shahnaz Perveen, Arfa Yasmin and Khalid Mohammed Khan    

Abstract: The reaction of isocyanates and isothiocyanates with long-chain alcohols, e.g. n-hexanol, n-heptanol and n-octanol, exclusively gave N-aryl-O-alkyl carbamates, while N-aryl-O-alkyl carbamates were formed along with symmetrical 1,3-disubstituted ureas and thioureas when the same reactions were carried out with small-chain alcohols at room temperature without using any solvent.

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