Wakasugi K, Nakamura A, Iida A, Nishii Y, Nakatani N, Fukushima S, Tanabe Y. Novel and efficient method for esterification, amidation between carboxylic acids and equimolar amounts of alcohols, and amines utilizing Me2NSO2Cl and N,N-dimethylamines; its application to the synthesis of coumaperine, a natural chemopreventive dieneamide.
Tetrahedron 2003. [DOI:
10.1016/s0040-4020(03)00734-8]
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