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US 4,069,231 AGranted
Benzothienylisocyanates and isothiocyanates and method of preparation thereof
AssigneeAmerican Cyanamid Company
InventorGoro Asato
Life of this patent
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Abstract
This invention relates to 4,5,6,7-tetrahydrobenzo[b]thien-4-yl isocyanates and 4,5,6,7-tetrahydrobenzo[b]thien-4-yl isocyanates and methods for the preparation thereof. These compounds are useful in the manufacture of substituted urea derivatives which are useful as animal growth regulants and herbicides.
Claims5
A compound of the formula:
- ##STR23## wherein X is a member selected from the group consisting of sulfur and oxygen;
- Y is a member selected from the group consisting of cyano, and methyl carbonyl;
- and Z is hydrogen.
The compound according to claim 1, 2-methylcarbonyl-4,5,6,7-tetrahydrobenzo[b]thien-4-ylisocyanate.
Dependencies are inferred from the claim text.