Process for preparing
(3R-(3a.alpha.,4.beta.,7.beta..beta.,7a.alpha.))-octahydro-4,7
epoxyisobenzofuranol from associated aldehydes
    12.
    发明授权
    Process for preparing (3R-(3a.alpha.,4.beta.,7.beta..beta.,7a.alpha.))-octahydro-4,7 epoxyisobenzofuranol from associated aldehydes 失效
    从相关醛制备(3R-(3aα,4β,7ββ,7aα)) - 八氢-4,7环氧异苯并呋喃的方法

    公开(公告)号:US5084581A

    公开(公告)日:1992-01-28

    申请号:US629762

    申请日:1990-12-18

    IPC分类号: C07D493/08 C07D493/18

    CPC分类号: C07D493/08

    摘要: Disclosed herein is a novel process in which novel aldehydes ##STR1## and the trans isomer thereof are hydrolyzed by treatment with an alkali metal carbonate, bicarbonate or hydroxide and water to form the cis enantiomer ##STR2## Also disclosed is a process for preparing [1S-[1.alpha., 2.alpha.(Z), 3.alpha., 4.alpha.]]-7-[3[[[[(1-oxoheptyl)amino]acetyl]-amino ]methyl-7-oxabicyclo-[2.2.1]hept-2-yl]-5-heptenoic acid using the above process.

    摘要翻译: 本文公开了一种新的方法,其中新的醛类及其反式异构体通过用碱金属碳酸盐,碳酸氢盐或氢氧化物和水进行处理而水解以形成顺式对映异构体。还公开了制备[1S - [1α,2α(Z),3α,α] -7- [3 - [[[[(1-氧代庚基)氨基]乙酰基] - 氨基]甲基-7-氧杂双环[2.2.1] 庚-2-基] -5-庚烯酸。

    Process for preparing (trans)-4-substituted-dl-proline derivatives
    13.
    发明授权
    Process for preparing (trans)-4-substituted-dl-proline derivatives 失效
    制备(反式)-4-取代-DL-脯氨酸衍生物的方法

    公开(公告)号:US4937355A

    公开(公告)日:1990-06-26

    申请号:US297522

    申请日:1989-01-17

    IPC分类号: C07D207/16

    CPC分类号: C07D207/16 Y02P20/55

    摘要: A process is provided for preparing (trans)-4-phenyl-DL-proline derivatives, which are useful in preparing certain angiotensin converting enzyme inhibitors, which process involves reacting an ester of the structure ##STR1## wherein X is a leaving group such as tosylate, R.sup.3 is lower alkyl, R is cyclohexyl, phenyl or substituted phenyl, and R.sup.1a is a protecting group, with a potassium amide base such as potassium hexamethyldisilazide under reduced temperatures to form the trans-4-substituted proline ester derivative of the structure ##STR2## then hydrolyzing the proline ester to the acid of the structure ##STR3## and removing the R.sup.1a nitrogen protecting group to form the unprotected acid of the structure ##STR4##

    Process for preparing a cis oxabicyclo olefinic acid and ester from an
oxabicyclo pyranol
    17.
    发明授权
    Process for preparing a cis oxabicyclo olefinic acid and ester from an oxabicyclo pyranol 失效
    从氧杂二环吡喃醇制备顺式氧杂双环烯酸和酯的方法

    公开(公告)号:US5245055A

    公开(公告)日:1993-09-14

    申请号:US629507

    申请日:1990-12-18

    摘要: A compound having the structure ##STR1## is reacted with Ph.sub.3 P.dbd.CH(CH.sub.2).sub.3 Y wherein Y is --CO.sub.2 .sup..crclbar. M.sup..sym. or --C.tbd.N to form ##STR2## which is aminated and esterified to form ##STR3## which may be used to form [1S-[1.alpha.,2.alpha.(Z),3.alpha., 4.alpha.[[-7-[3-[[[[1-oxoheptyl) -amino]acetyl]amino]methyl]-7-oxabicyclo-[2.2.1]-hept-2-yl]-5-heptenoic acid.

    摘要翻译: 具有结构的化合物与Ph 3 P = CH(CH 2)3 Y反应,其中Y是-CO 2( - )M(+)或-CB 3 N,形成“IMAGE”,其被胺化和酯化以形成“ 其可用于形成[1S- [1α,2α(Z))3α,4α[[[[[3' - [[[1-氧代庚基) - 氨基]乙酰基]氨基]甲基] -7-氧杂双环 - [2.2.1] - 庚-2-基] -5-庚烯酸。

    Process for preparing
[1S-[1.alpha.,2.alpha.(Z),3.alpha.,4.alpha.]]-7-[3-[[[[(1-oxoheptyl)-ami
no]acetyl]amino]methyl]-7-oxabicyclo-[2.2.1]hept-2-yl]-5-heptenoic acid
    18.
    发明授权
    Process for preparing [1S-[1.alpha.,2.alpha.(Z),3.alpha.,4.alpha.]]-7-[3-[[[[(1-oxoheptyl)-ami no]acetyl]amino]methyl]-7-oxabicyclo-[2.2.1]hept-2-yl]-5-heptenoic acid 失效
    制备[1S- [1α,2α(Z),3α,4α] -7 - [3 - [[[[(1-氧代庚基) - 氨基]乙酰基]氨基]甲基] 氧杂双环[2.2.1]庚-2-基] -5-庚烯酸

    公开(公告)号:US5081266A

    公开(公告)日:1992-01-14

    申请号:US588383

    申请日:1990-09-26

    申请人: David Kronenthal

    发明人: David Kronenthal

    IPC分类号: C07D493/08

    CPC分类号: C07D493/08

    摘要: A new process for preparing [1S-[1.alpha.,2.alpha.(Z),-3.alpha.,4.alpha.]]-7-[3-[[[[(1-oxoheptyl)-amino]acetyl]amino]methyl]-7-oxabicyclo [2.2.1]-hept-2-yl]-5-heptenoic acid. New intermediates are also described. [1S-(1.alpha.,2.alpha.(9Z),3.alpha.,4.alpha.]]-7-[3-[[[[(1-oxoheptyl)-amino]acetyl]amino]methyl]-7-oxabicyclo[2.2.1]hept-2-yl]-5-heptenoic acid is useful in the treatment of thrombotic disease.

    摘要翻译: 制备[1S- [1α,2α(Z),-3α,α] 7 - [[3 - [[[[(1-氧代庚基) - 氨基]乙酰基]氨基]甲基] -7-氧杂双环[2.2.1]庚-2-基] -5-庚烯酸。 还描述了新的中间体。 [1S-(1α,2α(9Z),3α,4α] -7- [3 - [[[[(1-氧代庚基) - 氨基]乙酰基]氨基]甲基] -7-氧杂双环[2.2 1]庚-2-基] -5-庚烯酸可用于治疗血栓性疾病。

    Process for preparing (trans)-4-phenyl-L-proline derivatives
    19.
    发明授权
    Process for preparing (trans)-4-phenyl-L-proline derivatives 失效
    制备(反式)-4-苯基-L-脯氨酸衍生物的方法

    公开(公告)号:US4912231A

    公开(公告)日:1990-03-27

    申请号:US209165

    申请日:1988-06-17

    IPC分类号: C07D207/16

    CPC分类号: C07D207/16 Y02P20/55

    摘要: A process is provided for preparing (trans)-4-phenyl-L-proline derivatives with excellent stereospecificity, which are useful in preparing certain ACE inhibitors, which process involves reacting a proline derivative of the structure ##STR1## whereing R is a nitrogen protecting group, R.sub.1 is H, aryl, arylalkyl or lower alkyl, and X is a leaving group such as fluorine, an alkyl sulfonate, arylsulfonate or cycloalkyl sulfonate is reacted with an aromatic nucleophile, such as benzene, in the presence of a Lewis acid such as AlCl.sub.3 to form the (trans)-4-phenyl-L-proline derivative of the structure ##STR2##

    摘要翻译: 提供了制备具有优异立体定向性的(反式)-4-苯基-L-脯氨酸衍生物的方法,其可用于制备某些ACE抑制剂,该方法包括使结构“IMA”的脯氨酸衍生物反应,其中R为氮保护 基团,R 1是H,芳基,芳基烷基或低级烷基,X是离去基团如氟,烷基磺酸酯,芳基磺酸酯或环烷基磺酸酯与芳族亲核试剂例如苯在路易斯酸存在下反应, 作为AlCl 3以形成结构“(IMAGE)”的(反式)-4-苯基-L-脯氨酸衍生物

    4-[[(Amidomethyl)oxy]methyl]-2-oxo-1-azetidinesulfonic acid salts
    20.
    发明授权
    4-[[(Amidomethyl)oxy]methyl]-2-oxo-1-azetidinesulfonic acid salts 失效
    4 - [[(酰氨基甲基)氧基]甲基] -2-氧代-1-氮杂环丁烷磺酸盐

    公开(公告)号:US4501697A

    公开(公告)日:1985-02-26

    申请号:US505547

    申请日:1983-06-17

    申请人: David Kronenthal

    发明人: David Kronenthal

    CPC分类号: C07D417/12 C07D205/085

    摘要: Antibacterial activity is exhibited by .beta.-lactams having the formula ##STR1## wherein R is hydrogen or methoxy;R.sub.1 is an acyl group derived from a carboxylic acid;R.sub.2 and R.sub.3 are each independently hydrogen, alkyl, or aryl or R.sub.2 and R.sub.3 when taken together with the nitrogen atom to which they are attached are ##STR2## wherein n is 4 or 5 and R.sub.4 is hydrogen, alkyl or amino; and M.sup..sym. is hydrogen or a cation.

    摘要翻译: 具有式“IMAGE”的β-内酰胺的抗菌活性表现在其中R是氢或甲氧基; R1是衍生自羧酸的酰基; R 2和R 3各自独立地为氢,烷基或芳基,或者当R 2和R 3与它们所连接的氮原子一起时为R 1和R 3,其中n为4或5,R 4为氢,烷基或氨基; 并且M(+)是氢或阳离子。