摘要:
Provided are processes for the synthesis of R-(+)-3-(carbamoylmethyl)-5-methylhexanoic acid and salts thereof, intermediates in the synthesis of S-pregabalin.
摘要:
Processes for purifying Varenicline base or the L-tartrate salt thereof and for preparing Varenicline L-tartrate crystalline forms A and B are provided.
摘要:
Processes for preparing tropine derivatives of the following Formula B are provided where LG represents a leaving group. The tropine derivatives may be used to prepare Retapamulin, preferably in substantially pure form. Also provided are processes for preparing Retapamulin comprising combining a base, tropine thiol in a free base or salt form, an organic solvent, and a pleuromutilin derivative of Formula A:
摘要:
Provided are processes for the synthesis of R-(+)-3-(carbamoylmethyl)-5-methylhexanoic acid and salts thereof, intermediates in the synthesis of S-pregabalin.
摘要:
Provided is the amorphous form of telmisartan sodium and the preparation thereof. Also provided are the telmisartan sodium polymorph crystal Forms 0 to XIII and XV to XX and preparations thereof. Also provided are pharmaceutical composition of amorphous and polymorphic forms of telmisartan sodium or mixtures thereof, and methods of treatment of a mammal in need thereof.
摘要:
Polymorphic forms of solifenacin have been prepared and characterized. These polymorphic forms are particularly useful in pharmaceutical compositions.
摘要:
Provided are processes for preparing telmisartan alkyl ester and telmisartan using environmentally friendly organic solvents that are easily removed from the reaction mixture, wherein a telmisartan alkyl ester is isolated and hydrolyzed to form telmisartan or the telmisartan is prepared using a synthesis in a single reaction vessel.