1,3-Dithiolane compounds and method of preparation thereof

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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Details

260329HS, 260327A, 2603322R, 424275, 426648, C07D33316, A01N 900

Patent

active

040752283

ABSTRACT:
There are provided substituted 1,3-dithiolane compounds and a method for preparing the same. Said 1,3-dithiolane compounds are useful intermediates in the preparation of tetrahydro-7-oxobenzo[b]thien-4-ylureas and tetrahydro-4-oxo-1-naphthylureas which are known animal growth-promoting agents, which thiolanes are represented by the formula: ##STR1## wherein R.sub.1 is a member selected from the group consisting of 2-thienyl and phenyl; R.sub.2 is a member selected from the group consisting of ##STR2## wherein X is chlorine or bromine; R.sub.3 and R.sub.4 are each members selected from the group consisting of hydrogen and methyl; and when R.sub.1 and R.sub.2 are taken together with the carbon atom to which they are attached they represent a bicyclic moiety selected from the group consisting of ##STR3## wherein the carbon atom of said bicyclic moiety marked with an asterisk is also part of the 1,3-dithiolane ring; U is a moiety selected from the group consisting of ##STR4## and when U is ##STR5## said compounds are the racemic mixtures and the optical isomers thereof.

REFERENCES:
patent: 3803172 (1974-04-01), Van Der Wal

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