Benzothienylisocyanates and isothiocyanates and method of preparation thereof

摘要

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.