Among its several embodiments, the present invention provides an improved process for the preparation of tetrahydrobenzothiepine-1,1-dioxide compounds; the provision of a process for preparing a diastereomeric mixture of tetrahydrobenzothiepine-1,1-dioxide compounds from a single diastereomer of such compounds; the provision of a process for the preparation of 3-bromo-2-substituted propionaldehyde compounds; and the provision of a process for the preparation of 3-thio-2-substituted propionaldehyde compounds.

Entre suas diversas incorporações, a invenção atual fornece um processo melhorado para a preparação de compostos de tetrahydrobenzothiepine-1,1-dioxide; a provisão de um processo para preparar uma mistura diastereomeric de compostos de tetrahydrobenzothiepine-1,1-dioxide de um único diastereomer de tais compostos; a provisão de um processo para a preparação de compostos do propionaldehyde 3-bromo-2-substituted; e a provisão de um processo para a preparação de compostos do propionaldehyde 3-thio-2-substituted.

 
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