摘要:
The present invention provides 3-oxy-hydromorphone derivatives, and in particular, 3-ester, 3-carbonate, and 3-sulfonate derivatives of hydromorphone.
摘要:
The present invention provides (+)-morphinanium N-oxide compounds or pharmaceutically acceptable salts thereof. The invention also provides processes for producing (+)-morphinanium N-oxides or pharmaceutically acceptable salts thereof from the corresponding tertiary N-substituted (+)-morphinan compound or pharmaceutically acceptable salt thereof.
摘要:
The present invention provides (+)-morphinanium compounds comprising substituted 6-hydroxy or 6-amine groups. The invention also provides methods for inhibiting microglial activation by administering the compounds of the invention.
摘要:
The present invention provides an efficient process for the preparation of hexahydroisoquinolines from amides. In particular, the invention provides a good yielding, one-pot process for the synthesis of hexahydroisoquinolines.
摘要:
The present disclosure generally relates to a process for converting a fused, tricyclic compound to a fused, tetracyclic compound that includes a furan ring therein. More particularly, the present disclosure related to a process for preparing a hydrocodone compound, or a compound structurally related thereto, and in particular (+)-hydrocodone, by subjecting a structurally corresponding sinomenine starting compound to a super acid-assisted furan ring closure reaction.
摘要:
The present invention provides processes for the preparation of N-alkyl morphinans without the isolation of nor-morphinan intermediates. In particular, the invention provides tandem hydrolysis/alkylation reactions for the synthesis of N-alkyl morphinans.
摘要:
The present invention provides processes for the demethylation of an N-methyl morphinan comprising a ketone functional group. In particular, the invention provides methods for the protection of the ketone functional group such that impurities are not generated during the demethylation of the N-methyl morphinan.
摘要:
The present invention provides processes for the preparation of saturated ketone morphinan compounds from a morphinan comprising an allyl alcohol ring moiety, wherein the final product has a low metal content. In particular, the invention provides processes that utilize isomerization reactions catalyzed by transition metal catalysts and the subsequent removal of the transition metal using metal scavengers.