摘要:
The present specification provides novel intermediates and novel processes for the synthesis of Thromboxane B.sub.2 11a-homo-11a-oxa-PGF.sub.2.alpha.), its 15-epimer, and various carboxyl derivatives thereof. In particular, there are disclosed various bicyclic tetrahydrofuran-containing lactones useful in the above processes, and corresponding acyclic lactones.
摘要:
The present specification provides novel intermediates and novel processes for the synthesis of Thromboxane B.sub.2 11a-homo-11a-oxa-PGF.sub.2a), its 15-epimer, and various carboxyl derivatives thereof. In particular, there are disclosed various bicyclic tetrahydrofuran-containing lactones useful in the above processes, and corresponding acyclic lactones.
摘要:
The present invention is directed to benzo-fused heterocyclic derivatives, pharmaceutical compositions containing them and their use in the treatment of disorders and conditions modulated by GPR120. More particularly, the compounds of the present invention are agonists of GPR120, useful in the treatment of, such as for example, Type II diabetes mellitus.
摘要:
The present invention relates to bicyclic tetrahydrofuran lactone derivatives of Formula (1) and a preparation method thereof, and particularly it relates to a process of preparing compounds of Formula (1) by performing an intramolecular cyclization of tetrahydrofuran-allenic acid derivatives in the presence of a phenyl halide, a palladium catalyst and a base: wherein n is 1 or 2, and R is phenyl optionally substituted with C1–C6 alkyl, C1–C6 alkoxy, hydroxyl or C1–C6 hydroxyalkyl group.
摘要:
The present invention relates to a process for the preparation of (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl (1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl) amino]-1-benzyl-2-hydroxypropylcarbamate as well as intermediates for use in said process. More in particular the invention relates to processes for the preparation of (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl (1S,2R)-3-[[(4-aminophenyl) sulfonyl](isobutyl)amino]-1-benzyl-2-hydroxypropylcarbamate which make use of 4-amino-N-((2R,3S)-3-amino-2-hydroxy-4-phenylbutyl)-N-(isobutyl)benzene sulfonamide intermediate, and to processes amenable to industrial scaling up. (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl (1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl) amino]-1-benzyl-2-hydroxypropylcarbamate is particularly useful as HIV protease inhibitors.
摘要:
Novel bicyclic carbohydrate compounds are effective for the prophylaxis and treatment of diseases caused by infections of the alphaherpesvirinae HSV-1 and HSV-2. The invention includes the compound wherein X1, X2, and X3 are selected from the group consisting of O, N, and S; wherein Y1 and Y2 are selected from the group consisting of O, N, and S; and wherein Z is selected from the group consisting of F, Cl, and Br, as well as analogs, prodrugs and pharmaceutically acceptable salts thereof, together with pharmaceutical compositions for the prophylaxis and treatment of diseases caused by infections of alphaherpesvirinae.
摘要:
The present specification provides novel intermediates and novel processes for the synthesis of Thromboxane B.sub.2 (11a-homo-11a-oxa-PGF.sub.2.sub..alpha.), its 15-epimer, and various carboxyl derivatives thereof. In particular, there are disclosed various bicyclic tetrahydropyran-containing lactones useful in the above processes, and corresponding acyclic lactones.
摘要:
Limonene (or alpha-pinene) is condensed with sesamol under aqueous acidic conditions to produce a mixture of two novel compounds which are useful as mosquito larvicides.
摘要:
This invention relates to chromone derivatives having the formula AND THE FORMULA WHEREIN R'' is selected from the group consisting of methylene, ethylene, isopropylene and propylene and physiologically acceptable salts, lower alkyl esters and amides with lower alkyl amines of each of the compounds of said two structural formulas wherein said lower alkyl groups have one to four carbon atoms. Said derivatives possess activity as inhibitors of the antigenantibody reaction.