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    • 25. 发明授权
    • Process for the production of substituted
4-thia-2,6-diaza[3.2.0]-2-heptene-7-one
    • 制备取代的4-硫杂-2,6-二氮杂{8 3.2.0 {9,2-庚烯-7-酮
    • US4155911A
    • 1979-05-22
    • US820895
    • 1977-08-01
    • Maurizio FoglioAntonino SuaratoPaolo MasiGiovanni FranceschiGiorgio PalamidessiLuigi Bernardi
    • Maurizio FoglioAntonino SuaratoPaolo MasiGiovanni FranceschiGiorgio PalamidessiLuigi Bernardi
    • C07D205/08C07D513/04
    • C07D513/04C07D205/08
    • A new process is disclosed for the preparation of compounds of structure: ##STR1## and are as defined herein characterized in that a compound of structure ##STR2## where R and R.sup.1 have the meanings given herein, is reacted in a suitable solvent with a haloamide in the presence of a metal oxide or a haloamide in the presence of a free radical initiator under the influence of light or heat or alternatively with a halogen in the presence of a metal oxide, to give a compound of structure: ##STR3## where R and R.sup.1 have the meanings given herein, Hal is a halogen atom; THE INTERMEDIATE COMPOUND (III) in a suitable solvent is then reacted with an appropriate nucleophilic reagent to obtain the compound IV where Z replaces Hal, where Z is defined herein;The compound (IV) is then subjected to an allylic halogenation in a suitable solvent by reacting it with a haloamide either under the influence of light alone or by heating it in the presence of a free radical initiator, to give a compound of structure: ##STR4## where R, R.sup.1 and Hal and Z have the above meanings; THE INTERMEDIATE COMPOUND (V) is then reacted with a reducing agent to give finally the desired compound (I).
    • 公开了用于制备结构式(I)的化合物的新方法,其定义如下,其特征在于其中R和R 1具有本文给出的含义的结构式(II)的化合物在 在金属氧化物或卤代酰胺的存在下,在自由基引发剂的存在下,在光或热的作用下,或者在卤素存在下,在金属氧化物的存在下,与卤代酰胺合适的溶剂,得到结构化合物 (III)其中R和R1具有本文给出的含义,Hal是卤素原子; 然后将合适的溶剂中的中间体化合物(III)与合适的亲核试剂反应,得到Z代替Hal的化合物IV,其中Z在本文中定义; 然后使化合物(IV)在合适的溶剂中通过与单独的光的影响下的卤代酰胺反应或通过在自由基引发剂的存在下加热使其与卤代酰胺反应,得到结构式 (V)其中R,R1,Hal和Z具有上述含义; 然后将中间体化合物(V)与还原剂反应,最终得到所需化合物(I)。
    • 28. 发明授权
    • Ergoline derivatives
    • 二元醇衍生物
    • US4657914A
    • 1987-04-14
    • US488168
    • 1983-04-25
    • Luigi BernardiAldemio TemperilliSergio ManteganiGabriella TraquandiPatricia Salvati
    • Luigi BernardiAldemio TemperilliSergio ManteganiGabriella TraquandiPatricia Salvati
    • A61K31/48A61P9/12C07D457/02
    • C07D457/02
    • There are provided ergoline compounds of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group; R.sub.2 is a hydrogen or halogen atom, a methyl or thiomethyl group; R.sub.3 is a hydrogen atom or a methoxy group; R.sub.4 is a hydrocarbon group having from 1 to 4 carbon atoms; n is 1 or 2; each of R.sub.5 and R.sub.6 independently is a hydrogen atom, an alkyl group having from 1 to 3 carbon atoms, or a phenyl or hydroxy or alkoxy group having from 1 to 4 carbon atoms, and X is an oxygen atom or a group of the formula NR.sub.7 wherein R.sub.7 is selected from the group consisting of a hydrogen atom, an alkyl having from 1 to 4 carbon atoms and a phenyl group, or a group of the formula N.dbd.C--R.sub.8 wherein the carbon atom is positioned between the nitrogen atoms in the ring and R.sub.8 is an amino, substituted amino, methyl, phenyl, thiomethyl or mercapto group. The compounds have antihypertensive and antiprolactin activity.
    • 提供下式的麦角灵化合物:其中R 1是氢原子或甲基; R2是氢或卤素原子,甲基或硫代甲基; R3是氢原子或甲氧基; R4是具有1至4个碳原子的烃基; n为1或2; R 5和R 6各自独立地为氢原子,具有1至3个碳原子的烷基或具有1至4个碳原子的苯基或羟基或烷氧基,X为氧原子或式 NR7,其中R7选自氢原子,具有1至4个碳原子的烷基和苯基,或式N = C-R8的基团,其中碳原子位于氮原子之间 环和R8是氨基,取代的氨基,甲基,苯基,硫代甲基或巯基。 该化合物具有抗高血压和抗催乳素活性。