摘要:
The invention encompasses a process for making compounds of Formula I useful in the treatment of inflammation and other cyclooxygenase-2 mediated diseases.
摘要:
The present invention is directed to a process of making spirocycles of general structural formula: ##STR1## where R.sub.1 is selected from the group consisting of CO--C.sub.1-3 alkyl, cyano, carboxy, carboxy C.sub.1-6 alkyl ester, carboxamide, C.sub.1-6 alkyl sulfinyl, C.sub.1-6 alkyl sulfonyl, C.sub.1-6 methanesulfonamide and halogen; R.sub.2 is selected from the group consisting of keto or alcohol, R.sub.3 is cyano, resulting in compounds which are Class III antiarrhythmic.
摘要翻译:本发明涉及制备通式结构式的螺环的方法:除了CO-C 1-3烷基,氰基,羧基,羧基C 1-6烷基酯,甲酰胺,C 1-6烷基亚磺酰基,C 1-6烷基磺酰基, C 1-6甲磺酰胺和卤素; R2选自酮或醇,R3为氰基,得到III类抗心律失常药物。
摘要:
A process is described for the total synthesis of the macrolide immunosuppressant, FK-506, and important tricarbonyl process intermediates thereof. The tricarbonyl intermediates can be produced by the mild oxidation of 2,3-dihydroxy carboxylate compounds containing olefin moieties.
摘要:
The present invention is directed to processes for the preparation of 4-(3-methanesulfonyl-phenyl)-1-N-propylpiperidine (I) or a pharmaceutically acceptable salt thereof, which comprises: oxidizing a sulfide of the formula (II): with a catalytic oxidizing agent and an oxidant; to give a compound of the formula (III): followed by catalytic reduction of the compound of formula (III).
摘要:
The present invention is directed to processes for the preparation of 4-(3-methanesulfonyl-phenyl)-1-N-propylpiperidine (I) or a pharmaceutically acceptable salt thereof, which comprises: oxidizing a sulfide of the formula (II): with a catalytic oxidizing agent and an oxidant; to give a compound of the formula (III): followed by catalytic reduction of the compound of formula (III).
摘要:
A process for producing arylglyoxal arylimine intermediates, by the DMSO/HBr oxidation of arylmethylketones. The imine compounds are intermediates in the synthesis of carbapenem antibiotics, i.e. imipenem.
摘要:
The present invention is directed to processes for the preparation of 4-(sulfonylphenyl)-piperidines of the Formula (VI), and pharmaceutically acceptable salts thereof; which comprises oxidizing a sulfide of the Formula (VII) or Formula (VIII), to give a compound of the Formula (IX) or Formula (X) respectively, followed by catalic reduction of the compound of the Formula (IX) or dehydration of compound of formula (X) to give a compound of Formula (IX) followed by catalytic reduction of the compound formula (IX) to give the compound of the Formula (VI).
摘要:
This invention provides processes for the preparation of verubecestat (Compound of Formula (I)), a potent inhibitor of BACE-1 and BACE-2. In addition, the invention provides certain synthetic intermediates which are useful, among other things, for the preparation of the Compound of Formula (I).