Abstract: Compounds and compositions for use as starting materials or intermediate materials in the preparation of opioids including, e.g., oxycodone base and/or an oxycodone salt; processes for preparing these compounds and compositions; uses of these compounds and compositions in the preparation of APIs and pharmaceutical dosage forms; and uses of said APIs and pharmaceutical dosage forms in the treatment of medical conditions.

Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.

Abstract: There are provided, prodrugs of opioid and other controlled substance, having enhanced physical and chemical stability to resist tampering and to make long-acting release formulations, and pharmaceutically accepted salts and solvates thereof. There are also provided methods of using the disclosed compounds as abuse deterrent products.

Abstract: A method of recovering a highly pure hydrocodone base from an impure hydrocodone preparation includes contacting the impure hydrocodone preparation with a weak acid in water to form a solution and adding a strong base to the solution in an amount sufficient to precipitate the pure hydrocodone base product. A highly pure hydrocodone base comprises less than 0.0025 wt % codeinone.

Abstract: A process for preparing oxycodone hydrochloride, said process comprising hydrogenating 14-hydroxycodeinone in an alcoholic solvent and hydrochloric acid to form oxycodone hydrochloride, wherein (a) the hydrogenation is carried out in the presence of a heterogeneous platinum group metal (PGM) catalyst and hydrogen gas, (b) the hydrogenation is carried out at one or more temperatures greater than ambient temperature in the presence of a hydrogenation catalyst and hydrogen gas, wherein the solution of 14-hydroxycodeinone and hydrochloric acid is heated to temperature before it is exposed to the hydrogen gas, (c) the oxycodone hydrochloride comprises 6a-oxycodol in an amount <about 0.300 area % as determined by HPLC, characterized in that (d) the pH of the solution of 14-hydroxycodeinone and hydrochloric acid is in the range of about ?2.5 to about ?4.5; (e) the process is carried out in one pot, and (f) the oxycodone hydrochloride precipitates out of the solution.

Abstract: The present disclosure relates generally to a pharmaceutical solution comprising hydromorphone or a pharmaceutically acceptable salt thereof that is substantially free of buffer and optionally one or more other additives. The pharmaceutically acceptable salt may be hydromorphone hydrochloride. Also disclosed are methods for the manufacture and use of the solution.

Abstract: The present application relates to analogues of morphan and morphinan, compositions thereof, and methods for treating a disease or condition comprising administering an effective amount of the compounds or compositions to a subject in need thereof.

Abstract: The present application relates methods for treating a depressive symptom comprising administering an effective amount of a ? opioid receptor agonist or a pharmaceutically acceptable salt thereof to a subject in need thereof. Non-limiting examples of such agonist include the compounds of Formulas I, II, III, and IV, as well as the compounds of Table A.

Abstract: Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.

Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.

Abstract: Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.

Abstract: Compounds and compositions for use as starting materials or intermediate materials in the preparation of opioids including, e.g., oxymorphone base and/or an oxymorphone salt; processes for preparing these compounds and compositions; uses of these compounds and compositions in the preparation of APIs and pharmaceutical dosage forms; and uses of said APIs and pharmaceutical dosage forms in the treatment of medical conditions.

Abstract: Synthetic methods are provided for preparation of oxycodone and salts thereof with an improved impurity profile. Thebaine is converted to 14-hydroxycodeinone sulfate intermediate to minimize a 7,8-dihydro-8,14-dihydroxycodeinone impurity. Efficient methods for conversion of oxycodone base to oxycodone hydrochloride are provided to minimize 14-hydroxycodeinone impurity in the final product.

Abstract: Compounds and compositions for use as starting materials or intermediate materials in the preparation of opioids including, e.g., oxycodone base and/or an oxycodone salt; processes for preparing these compounds and compositions; uses of these compounds and compositions in the preparation of APIs and pharmaceutical dosage forms; and uses of said APIs and pharmaceutical dosage forms in the treatment of medical conditions.

Abstract: There is provided a novel process for the preparation of a compound of formula I, wherein R1, R2 and R3 are as described in the description, by conversion of a corresponding allylic alcohol.

Abstract: 8-Substituted-2,6-methano-3-benzazocines of general structure I in which A is —CH2—OH, —CH2NH2, —NHSO2CH3, and Y is O, S or NOH are useful as analgesics, anti-diarrheal agents, anticonvulsants, antitussives and anti-addiction medications. 8-Carboxamides, thiocarboxamides, hydroxyamidines and formamides are preferred.

Abstract: The present disclosure provides processes for the N-dealkylation of tertiary amines and the use of transition metal catalysts to prepare tertiary N-allyl amine derivatives and secondary amine derivatives thereof. The tertiary amines can be alkaloids and, more particularly, the tertiary amines can be opioids. In specific embodiments, the present disclosure provides methods for use in processes for the synthesis of naloxone and naltrexone from oripavine.

Abstract: The present disclosure provides processes for the N-dealkylation of tertiary amines and the use of transition metal catalysts to prepare tertiary N-allyl amine derivatives and secondary amine derivatives thereof. The tertiary amines can be alkaloids and, more particularly, the tertiary amines can be opioids. In specific embodiments, the present disclosure provides methods for use in processes for the synthesis of naloxone and naltrexone from oripavine.

Abstract: In certain embodiments the invention is directed to a process for preparing an oxycodone hydrochloride composition having less than 25 ppm of 14-hydroxycodeinone.

Abstract: The present application relates to methods for the preparation of morphine derivatives. In particular, the present application relates to methods for the preparation of hydromorphone from oripavine and oripavine from thebaine.

Abstract: Synthetic methods are provided for preparation of oxycodone and salts thereof with an improved impurity profile. Thebaine is converted to 14-hydroxycodeinone sulfate intermediate to minimize a 7,8-dihydro-8,14-dihydroxycodeinone impurity. Efficient methods for conversion of oxycodone base to oxycodone hydrochloride are provided to minimize 14-hydroxycodeinone impurity in the final product.

Abstract: Synthetic methods are provided for preparation of oxycodone and salts thereof with an improved impurity profile. Thebaine is converted to 14-hydroxycodeinone sulfate intermediate to minimize a 7,8-dihydro-8,14-dihydroxycodeinone impurity. Efficient methods for conversion of oxycodone base to oxycodone hydrochloride are provided to minimize 14-hydroxycodeinone impurity in the final product.

Abstract: This invention relates to the discovery of novel polymorphic forms of naltrexone, including solvates, hydrates, anhydrous and other crystalline forms and combinations thereof. These novel forms of naltrexone impart advantages in pharmaceutical formulations incorporating them, including sustained release, or long acting, formulations.

Abstract: The present invention provides a process for preparing a saturated 6,14-dihydroxy morphinan. The process comprises contacting an unsaturated 6-O-hydrocarbyl morphinan with hydrogen peroxide and an organic acid to form an unsaturated 6-keto-14-hydroxy morphinan. The unsaturated 6-keto-14-hydroxy morphinan is contacted with a first reducing agent to form an unsaturated 6,14-dihydroxy morphinan, and the unsaturated 6,14-dihydroxy morphinan is contacted with a second reducing agent to form the saturated 6,14-dihydroxy morphinan.

Abstract: The present disclosure provides processes for the N-dealkylation of tertiary amines and the use of transition metal catalysts to prepare tertiary N-allyl amine derivatives and secondary amine derivatives thereof. The tertiary amines can be alkaloids and, more particularly, the tertiary amines can be opioids. In specific embodiments, the present disclosure provides methods for use in processes for the synthesis of naloxone and naltrexone from oripavine.

Abstract: The present invention provides a process for preparing an oxymorphone acid adduct, said process comprising hydrogenating an aqueous solution of 14-hydroxymorphinone and an acid to form a solution of the oxymorphone acid adduct, wherein the hydrogenation is carried out at one or more temperatures greater than 40° C. in the presence of a hydrogenation catalyst and hydrogen gas, wherein the level of 6?-oxymorphol produced is ?3.00 area % as determined by HPLC.

Abstract: Synthetic methods are provided for preparation of oxycodone and salts thereof with an improved impurity profile. Thebaine is converted to 14-hydroxycodeinone sulfate intermediate to minimize a 7,8-dihydro-8,14-dihydroxycodeinone impurity. Efficient methods for conversion of oxycodone base to oxycodone hydrochloride are provided to minimize 14-hydroxycodeinone impurity in the final product.

Abstract: Synthetic methods are provided for preparation of oxycodone and salts thereof with an improved impurity profile. Thebaine is converted to 14-hydroxycodeinone sulfate intermediate to minimize a 7,8-dihydro-8,14-dihydroxycodeinone impurity. Efficient methods for conversion of oxycodone base to oxycodone hydrochloride are provided to minimize 14-hydroxycodeinone impurity in the final product.

Abstract: The present invention provides methods of N-demethylating, N-methylated heterocycles and N-methyl, N-oxide heterocycles using a transition metal with an oxidation state of zero, ferrocene or substituted derivatives thereof, or Cr3+. N-demethylated heterocycles prepared by the methods of the present invention are also provided.

Abstract: Crystalline, anhydrous hydrochloride salts of 4,5?-epoxy-3,14-dihydroxy-17-methylmorphinan-6-one (oxymorphone) are disclosed and three polymorphic forms of these salts are reported. The invention further relates to a method for the production of such salts, a pharmaceutical composition comprising an effective amount of such a salt and such a salt as a medicament and for the treatment and/or prevention of pain.

Abstract: The present invention relates to processes for removal of Michael acceptors from certain compositions wherein the composition is treated with a thiol-containing compound under conditions sufficient to remove Michael acceptors and the resulting thiol-Michael adducts. Certain embodiments of the present invention enable quantification and/or removal of Michael acceptors and/or Michael acceptor precursors.

Abstract: The present invention generally relates to processes for preparing highly pure morphinan-6-one products. The processes involve reducing the concentration of alpha, beta unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction mixtures including morphinan 6 one compounds by treatment with a sulfur-containing compound.

Abstract: A method of providing a patient with controlled release of a phenolic opioid using a prodrug capable, upon enzymatic activation, of releasing the phenolic opioid through intra-molecular cyclization leading to formation of a cyclic urea, carbamate or thiocarbamate.

Abstract: The present invention provides processes for the preparation of saturated ketone morphinan compounds. In particular, the invention provides processes for the conversion of a morphinan comprising an allyl alcohol ring moiety into a morphinan comprising a saturated ketone ring moiety by an isomerization reaction catalyzed by an inorganic salt of a late transition metal.

Abstract: The invention relates to the compounds of formula I and formula II or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I or formula II, and methods for treating chronic pain in a disease may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection.

Abstract: The present invention relates to processes for removal of Michael acceptors from certain compositions wherein the composition is treated with a thiol-containing compound under conditions sufficient to remove Michael acceptors and the resulting thiol-Michael adducts. Certain embodiments of the present invention enable quantification and/or removal of Michael acceptors and/or Michael acceptor precursors.

Abstract: The invention relates to an improved method of preparing oxymorphone or a salt thereof from oripavine. In particular, the invention relates to a method of preparing oxymorphone with a content of alpha-beta-unsaturated ketones (ABUK) <10 ppm, wherein the content of 8,14-dihydroxydihydromorphinone in the prepared oxymorphone is >10 ppm.

Abstract: The present invention provides a process for preparing a saturated 6,14-dihydroxy morphinan. The process comprises contacting an unsaturated 6-O-hydrocarbyl morphinan with hydrogen peroxide and an organic acid to form an unsaturated 6-keto-14-hydroxy morphinan. The unsaturated 6-keto-14-hydroxy morphinan is contacted with a first reducing agent to form an unsaturated 6,14-dihydroxy morphinan, and the unsaturated 6,14-dihydroxy morphinan is contacted with a second reducing agent to form the saturated 6,14-dihydroxy morphinan.

Abstract: Pro-drugs containing an electron withdrawing substituent, as defined in the specification, are useful in a method for providing a patient with post administration-activated, controlled release of a biologically active compound.

Abstract: The present invention provides processes for preparing nal-opiates without the isolation of intermediates. In general, the process provides for alkylation and reduction in the same pot to give the nal-opiate.

Abstract: An improved process for the N-alkylation of tertiary morphinan alkaloid bases to form the corresponding quaternary morphinan alkaloid derivatives.

Abstract: The present application is directed to an efficient conversion of C-14 hydroxylated morphine alkaloids to various morphine analogs, such as naltrexone, naloxone and nalbuphone. One feature of this process is an intramolecular functional group transfer from the C-14 hydroxyl to the N-17 nitrogen atom following a palladium-catalyzed N-demethylation.

Abstract: The present disclosure provides improved methods for N-dealkylation of tertiary amines, including methods for N-demethylation of alkaloids and opioids, in which the dealkylation reaction is carried out in a solvent comprising a tertiary alcohol. The present disclosure also provides improved processes for preparing semi-synthetic opioids that incorporate the disclosed methods for N-dealkylation of tertiary amines.

Abstract: A pharmaceutical composition comprising a drug substance consisting essentially of a pharmaceutically acceptable organic acid addition salt of an amine containing pharmaceutically active compound wherein the amine containing pharmaceutical active compound is selected from the group consisting of racemic or single isomer ritalinic acid or phenethylamine derivatives and the drug substance has a physical form selected from amorphous and polymorphic.

Abstract: The oxazolidine derived from the reaction of oxymorphone with the Burgess reagent, temporarily protected at O-3 and C-6, reacts with Grignard or other suitable metallic or organometallic reagents to directly provide, for example, A/-allyl, A/-methylcyclopropyl and /V-methylcyclobutyl derivatives that are further converted into naltrexone, naloxone, nalbuphone and nalbuphine in excellent yields. These morphine analogs can be prepared from the oxazolidine in a one-pot synthesis.

Abstract: This invention relates to the discovery of novel polymorphic forms of naltrexone, including solvates, hydrates, anhydrous and other crystalline forms and combinations thereof. These novel forms of naltrexone impart advantages in pharmaceutical formulations incorporating them, including sustained release, or long acting, formulations.

Abstract: The presently described technology provides compositions comprising aryl carboxylic acids chemically conjugated to hydrocodone (morphinan-6-one, 4,5-alpha-epoxy-3-methoxy-17-methyl) to form novel prodrugs/compositions of hydrocodone, including benzoates and heteroaryl carboxylic acids, which have a decreased potential for abuse of hydrocodone. The present technology also provides methods of treating patients, pharmaceutical kits and methods of synthesizing conjugates of the present technology.

Abstract: Crystalline, anhydrous hydrochloride salts of 4,5?-epoxy-3,14-dihydroxy-17-methylmorphinan-6-one (oxymorphone) are disclosed and three polymorphic forms of these salts are reported. The invention further relates to a method for the production of such salts, a pharmaceutical composition comprising an effective amount of such a salt and such a salt as a medicament and for the treatment and/or prevention of pain.

Abstract: The invention relates to a compound of Formula I, II, III, IV or a pharmaceutically acceptable ester or prodrug thereof:

Abstract: The present invention provides a method for the N-demethylation and N-functionalization of an N-methylated heterocycle such as a morphine alkaloid or tropane alkaloid. The method comprises reacting the heterocycle with an functionalization agent in the presence of a transition metal catalyst in air or in the presence of an oxidant.