PROCESS FOR THE PREPARATION OF 17-N-SUBSTITUTED-CARBAMOYL-4-AZA-ANDROST-1 -EN-3-ONES
The present invention relates to a process for producing 17-N-substituted-carbamoyl-4-aza-androst-1-en-3-ones of formula (1) , including Finasteride and Dutasteride.
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Page/Page column 14-15
(2008/12/08)
METHOD FOR PRODUCING 1,2-UNSATURATED AZASTEROIDS
The invention relates to a method for producing 1,2-unsaturated azasteroids of general formula (I), from a structurally related, saturated azasteroid of general formula (II).
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Page/Page column 6-7
(2008/06/13)
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