Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1981-03-25
1982-08-10
Jiles, Henry R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
546245, 260455A, 2603264, 568 67, 568 64, 568 65, 568 62, C07D21160, C07D20724, C07D20932, C07C15502
Patent
active
043437370
ABSTRACT:
A process for producing a thiolcarbamate compound of the following formula ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, a halogen atom or a nitro group, R.sub.2 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, m is 1 or 2, and n is an integer of 4 to 6,
which comprises reacting an .alpha.-methylstyrene of the following formula ##STR2## wherein R.sub.1 is as defined above, or its dimer with hydrogen sulfide in the presence of a catalyst to form a mercaptan of the following formula ##STR3## wherein R.sub.1 is as defined above, and reacting the mercaptan of formula (II) with a carbamoyl chloride of the following formula ##STR4## wherein R.sub.2, m and n are as defined.
REFERENCES:
patent: 2642450 (1953-06-01), Weijlard et al.
patent: 3282978 (1966-11-01), Swakon
patent: 4147715 (1979-04-01), Tilles et al.
Reid, Organic Chemistry of Bivalent Sulfur, vol. I, Chemical Publishing Co., Inc., 212 Fifth Avenue, N.Y., p. 19.
Goh Atsushi
Konno Kazuhiko
Uchimura Kunio
Jiles Henry R.
Mitsubishi Petrochemical Co. Ltd.
Whittenbaugh Robert C.
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