Alkaline Earth Salt Of/the/ Methylsulfuric Acid置于氨体系中,化学反应生成 3-氨基巴豆酸乙酯 参考文献:Hope,Journal Of The Chemical Society,1922,Vol. 121,P. 2219 标题:Hope,Journal Of The Chemical Society,1922,Vol. 121,P. 2219
专利号:WO-2017072796-A1 优先权日:2015-10-30 标题 :2-pyridone based compounds useful as potential phosphodiesterase3a (pde3a)inhibitors and a process for the preparation thereof 发明人:KUMAR G JAGADEESH; MAHENDAR B; SAIDULU M; BANERJEE S K; RAO V JAYATHIRTHA 权利人:COUNCIL SCIENT IND RES 摘要:Formula A wherein X = COOCH 3 , COOC 2 H 5 , CN Y = Methyl, Phenyl R = alkyl, substituted phenyl, napthyl, furonyl, thiophenyl, substituted quinolinyl The present invention related to compounds of general FormulaA. The invention provides the synthesis of 2-pyridones useful as potential cardio tonic agents and a process for the preparation thereof.
专利号:CN-114989072-B 优先权日:2022-05-27 标 题 :Method for asymmetric catalytic synthesis of chiral 1, 4-dihydropyridine compound and application thereof
专利号:US-4358606-A 优先权日:1981-06-19 标 题:Esters of phenalkyloxycarbonylamino acids 发明人:LEE SHY-FUH; HENRICK CLIVE A 权利人:ZOECON CORP 摘要:Novel esters of phenylalkyloxy- or phenylalkylthioacylamino acids and pyridylalkyloxy- or pyridylalkylthioacylamino acids, synthesis thereof, intermediates therefor, and the use of said esters for the control of weeds.
专利号:CN-114989072-A 优先权日:2022-05-27 标 题:A method for asymmetric catalytic synthesis of chiral 1,4-dihydropyridine compounds and its application
专利号:US-4329349-A 优先权日:1979-07-25 标 题:6-C1-4 Alkyl-7-phenyl or substituted phenyl-1,6-naphthyridine-5(6H)-ones 发明人:DAMON II ROBERT E; NADELSON JEFFREY 权利人:SANDOZ AG 摘要:Compounds of the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof, wherein n R 1 is C 1-4 alkyl, n R 2 is hydrogen, C 1-4 alkyl, C 1-4 alkoxy, halo, trifluoromethyl, C 1-4 alkylthio or --NR 5 R 6 , wherein each of R 5 and R 6 is independently hydrogen or C 1-3 alkyl, n R 3 is hydrogen, C 1-3 alkyl, C 1-3 alkoxy, halo or trifluoromethyl, and n R 4 is hydrogen, C 1-3 alkyl, C 1-3 alkoxy or halo, n their use as muscle relaxants and as anti-inflammatory agents, pharmaceutical compositions comprising them, processes for their synthesis and compounds of the formulae ##STR2## wherein R 1 , R 2 , R 3 and R 4 are as defined above, useful as intermediates in their synthesis.
专利号:CN-110759870-B 优先权日:2019-12-06 标题:Synthesis method of oxalagogri intermediate