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Sugar isothiocyanates synthesis, method

The ImCSIm-method has been used, for instance, in the synthesis of isothiocyanates containing steroid, sugar, and alkaloid components ... [Pg.213]

Thioamides can serve as surrogates for isothiocyanates in the Marckwald synthesis. For example, reaction of a-amino acetals 1278 with thioamides 1277 in the presence of HgClz affords amidine intermediates, which cyclize to form imidazoles under acidic conditions. This method has been applied to synthesize a variety of sugar imidazoles (Scheme 324) <2005HCA10, 2004HCA3035, 2004HCA719, 2000TA435>. [Pg.308]

See other pages where Sugar isothiocyanates synthesis, method is mentioned: [Pg.93]    [Pg.140]    [Pg.35]    [Pg.40]    [Pg.40]    [Pg.319]    [Pg.92]    [Pg.56]   
See also in sourсe #XX -- [ Pg.93 , Pg.94 , Pg.95 , Pg.96 ]

See also in sourсe #XX -- [ Pg.44 , Pg.93 , Pg.94 , Pg.95 , Pg.96 ]



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