84449-86-5Relevant articles and documents
Process for the synthesis of benzothiophenes
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, (2008/06/13)
The instant invention provides improved processes for preparing benzothiophenes utilizing methanesulfonic acid.
Process for preparing benzo[b]thiophenes
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, (2008/06/13)
The preparation of benzo[b]thiophenes by the acylation of alkoxy protected starting materials followed by demethylation using essentially odorless thiol compounds are provided herewith. Demethylation may be carried out in the same reaction vessel without isolation of the acylated, protected material.
Demethylation process for preparing benzo[b]thiophenes
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, (2008/06/13)
The preparation of benzo[b]thiophenes by the acylation of alkoxy protected starting materials followed by demethylation using essentially odorless thiol compound (2-methyl-5-t-butyl benzenethiol) are provided herewith. Demethylation may be carried out in the same reaction vessel without isolation of the acylated, protected material.
