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Title: A multi-component synthesis of functionalized O,S-dialkyldithiocarbonates
Authors: Patra, Gopal C
Pal, Sutanuka
Bhunia, Sankar C
Hazra, Nirmal K
Pal, Sudhir C
Keywords: Multi-component synthesis;Dithiocarbonate;Carbon disulfide;Xanthate;DABCO
Issue Date: Apr-2016
Publisher: NISCAIR-CSIR, India
Abstract: A novel multi-component synthesis of dithiocarbonates (xanthates) in a single pot has been accomplished under very mild conditions. The S-alkyl part in the products contains a functional group. An alcohol and an activated vinyl compound that is capable of acting as Michael acceptor are mixed together in carbon disulfide in the presence of a tertiary amine at room temperature when the title compound is formed. The method is very much successful with primary and secondary alcohols in the presence of 1,4-diazabicyclo[2.2.2]octane (DABCO) as catalyst. The yields are excellent. The Morita-Baylis-Hillman reaction derived allylic alcohols however behave a little differently, and the method has been utilized to prepare trisubstituted alkenes possessing thioether moiety and some biologically important thiochromenes.
Page(s): 471-477
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.55B(04) [April 2016]

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