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    • 31. 发明授权
    • Method for making phosphinic acid intermediates
    • 制备次膦酸中间体的方法
    • US4602092A
    • 1986-07-22
    • US693418
    • 1985-01-22
    • John K. ThottathilJerome L. Moniot
    • John K. ThottathilJerome L. Moniot
    • C07F9/30C07F9/572C07F9/62C07F9/32
    • C07F9/62C07F9/301C07F9/306C07F9/5721C07F9/5728
    • A method is provided for preparing phosphinic acid prodrug intermediates which are useful in preparing phosphinic acid angiotensin-converting enzyme inhibitors which method includes the step of coupling a phosphonous acid or its ester of the structure ##STR1## wherein R is H or lower alkyl and R.sup.1 is lower alkyl, aryl, arylalkyl, cycloalkyl or cycloalkylalkyl, with an alkylating agent of the structure ##STR2## wherein Hal is Cl, Br or I, n is 0 or 1, R.sup.2 is H or lower alkyl, and Z is H, lower alkyl, --CO.sub.2 R.sup.3 (wherein R.sup.3 is H or lower alkyl), ##STR3## (wherein R.sup.4 is H, lower alkyl, aryl or arylalkyl), --CN, or ##STR4## (wherein R.sup.5 and R.sup.6 may be the same or different and are selected from the group consisting of H, lower alkyl, aryl, aryl-lower alkyl, cycloalkyl or cycloalkylalkyl and at least one of R.sup.5 and R.sup.6 is other than H, or R.sup.5 and R.sup.6 can be taken with the N-atom to form a 5-, 6- or 7-membered heterocyclic ring which 5-, 6- or 7-membered N-containing ring may or may not contain a CO.sub.2 R.sup.3 group and which 5- or 6-membered N-containing ring may or may not be fused to an aryl ring), in the presence of a silylating agent, to form the phosphinic acid intermediate of the structure ##STR5## wherein R, R.sup.1, R.sup.2, n and Z are as defined above.
    • 提供了用于制备次膦酸前体药物中间体的方法,其可用于制备次膦酸血管紧张素转换酶抑制剂,该方法包括使结构式“IMAGE”的膦酸或其酯偶联的步骤,其中R是H或低级烷基和R1 其中Hal为Cl,Br或I,n为0或1,R2为H或低级烷基,Z为H,较低级为低级烷基,芳基,芳基烷基,环烷基或环烷基烷基 烷基,-CO 2 R 3(其中R 3为H或低级烷基),其中R 4为H,低级烷基,芳基或芳基烷基,-CN或(其中R 5和R 6可以相同或不同, 选自H,低级烷基,芳基,芳基 - 低级烷基,环烷基或环烷基烷基,并且R 5和R 6中的至少一个不是H,或者R 5和R 6可以与N-原子一起形成 5-,6-或7-元含N的环可以含有或不含有CO 2 R 3基团的5-,6-或7-元杂环 并且在甲硅烷基化剂的存在下,哪个5-或6-元含N的环可以或不可以与芳基环稠合),以形成结构式的次膦酸中间体,其中R,R 1,R 2 ,n和Z如上所定义。
    • 32. 发明授权
    • Process and intermediates for preparing trans-4-substituted-s-prolines
    • 制备反式-4-取代-β-脯氨酸的方法和中间体
    • US4588819A
    • 1986-05-13
    • US672989
    • 1984-11-19
    • John K. Thottathil
    • John K. Thottathil
    • C07D207/08C07D207/16C07D498/04C07D207/12
    • C07D207/08C07D207/16
    • 4-Substituted proline derivatives having the formula ##STR1## can be prepared by reacting the compound having the formula ##STR2## with a compound having the formula ##STR3## to obtain a compound having the formula ##STR4## (a novel intermediate), alkylating that compound to obtain a compound having the formula ##STR5## (a novel intermediate), converting that compound to a compound having the formula ##STR6## (a novel intermediate), and oxidizing that compound to yield the desired proline having the formula ##STR7## wherein R.sub.1 is alkyl, cycloalkyl, aryl or arylalkyl, R.sub.1 ' is alkyl, cycloalkenyl, aryl or arylalkyl, R.sub.2 is alkyl, aryl, arylalkyl or cycloalkyl and R.sub.3 is hydrogen, alkyl, aryl, arylalkyl or cycloalkyl.
    • 具有式“IMAGE”的4-取代的脯氨酸衍生物可以通过使具有式“IMAGE”的化合物与具有式“IMAGE”的化合物反应得到具有式“IMAGE”(新型中间体)的化合物,烷基化 该化合物获得具有式“IMAGE”(新型中间体)的化合物,将该化合物转化为具有式“IMAGE”的化合物(新的中间体),并氧化该化合物,得到所需的具有式 其中R1是烷基,环烷基,芳基或芳基烷基,R1'是烷基,环烯基,芳基或芳基烷基,R2是烷基,芳基,芳烷基或环烷基,R3是氢,烷基,芳基,芳烷基或环烷基。