Process for preparing pyridylmethyl isothiocyanates

Details Process for preparing pyridylmethyl isothiocyanates Process for preparing pyridylmethyl isothiocyanates

1999-04-23

2000-12-26

Morris, Patricia L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D24953

Patent

active

061662143

ABSTRACT:
The present invention relates to a novel process for preparing pyridylmethyl isothiocyanates of the formula (I) ##STR1## in which R.sup.1 represents halogen or C.sub.1 -C.sub.4 -alkyl, characterized in that in a first step, amines of the formula (II) ##STR2## in which R.sup.1 is as defined above, are reacted with xanthogenates of the formula (III)

REFERENCES:
patent: 4129656 (1978-12-01), Lang et al.
patent: 5175301 (1992-12-01), Minamida et al.
Hawley's Condensed Chemical Dictionary, 13th Edition, Lewis, Revisor, Van Nostrand Reinhold, New York, 1997, p. 33.
Database XFIRE Beilstein, Raction ID2437787 and 2626662, 1980, Rahman M.F. "Synthesis of 4-substituted thiosemicarbazones of . . . agents" XP002077168.

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