The present disclosure relates generally to methods for the preparation of Compound (I-1): I-1 or a stereoisomer or mixture of stereoisomers thereof, or salt of each thereof, as well as compounds and salts which are useful in the synthesis thereof.

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This present invention provides gemcabene pharmaceutically acceptable salts having a PSD90 of 35 m to about 90 m, methods for purifying crude gemcabene, pharmaceutically acceptable salts of purified gemcabene, pharmaceutical compositions of a gemcabene pharmaceutically acceptable salt and therapeutic and prophylactic methods useful for various conditions, including dyslipidemia.

This present invention provides gemcabene pharmaceutically acceptable salts having a PSD90 of 35 m to about 90 m, methods for purifying crude gemcabene, pharmaceutically acceptable salts of purified gemcabene, pharmaceutical compositions of a gemcabene pharmaceutically acceptable salt and therapeutic and prophylactic methods useful for various conditions, including dyslipidemia.