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    • 8. 发明授权
    • Pyrrolyl intermediates in the synthesis of pyrrole analogs of
mevalonolactone and derivatives thereof
    • US4973704A
    • 1990-11-27
    • US338909
    • 1989-04-14
    • James R. Wareing
    • James R. Wareing
    • C07D207/32C07D207/337C07D307/54C07D333/24
    • C07D207/337C07D307/54C07D333/24
    • Compounds of the formula ##STR1## wherein R.sub.1 is C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR2## wherein R.sub.5, R.sub.6 and R.sub.7 are as defined below, R.sub.2 is C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR3## wherein R.sub.8, R.sub.9 and R.sub.10 are as defined below, R.sub.3 is hydrogen, C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR4## wherein R.sub.11, R.sub.12 and R.sub.13 are as defined below, R.sub.4 is hydrogen, C.sub.1-6 alkyl not containing an asymmetric carbon atom, C.sub.3-7 cycloalkyl or ##STR5## wherein R.sub.14, R.sub.15 and R.sub.16 are as defined below, X is --(CH.sub.2).sub.m --, --CH.dbd.CH--, --CH.dbd.CH--CH.sub.2 --or --CH.sub.2 --CH.dbd.CH--, wherein m is 0, 1, 2 or 3, andZ is ##STR6## wherein R.sub.17 is hydrogen or C.sub.1-3 alkyl, andR.sub.18 is hydrogen, R.sub.19 or M, whereinR.sub.19 is a physiologically acceptable ester group, andM is a pharmaceutically acceptable cation,whereineach of R.sub.5, R.sub.8, R.sub.11 and R.sub.14 is independently hydrogen, C.sub.1-3 alkyl, n-butyl, i-butyl, t-butyl, C.sub.1-3 alkoxy, n-butoxy, i-butoxy, trifluoromethyl, fluoro, chloro, bromo, phenyl, phenoxy or benzyloxy,each of R.sub.6, R.sub.9, R.sub.12 and R.sub.15 is independently hydrogen, C.sub.1-3 alkyl, C.sub.1-3 alkoxy, trifluoromethyl, fluoro, chloro, bromo, phenoxy or benzyloxy, andeach of R.sub.7, R.sub.10, R.sub.13 and R.sub.16 is independently hydrogen, C.sub.1-2 alkyl, C.sub.1-2 alkoxy, fluoro or chloro,with the provisos that not more than one substituent on each of Rings A, B, C and D independently is trifluoromethyl, not more than one substituent on each of Rings A, B, C and D independently is phenoxy, and not more than one substituent on each of Rings A, B, C and D independently is benzyloxy,with the provisos that (i) the -X-Z group is in the 2- or 3-position of the pyrrole ring, (ii) the -X-Z group is ortho to both R.sub.1 and R.sub.2 and (iii) R.sub.3 is ortho to R.sub.2, the use thereof for inhibiting cholesterol biosynthesis and lowering the blood cholesterol level and, therefore, in the treatment of hyperlipoproteinemia and atherosclerosis, pharmaceutical compositions comprising such compounds and processes for and intermediates in the synthesis of such compounds.
    • 10. 发明授权
    • Processes for the synthesis of diprotected
R[R*,S*]-3,5-dihydroxy-6-oxohexanoate esters
    • 合成二保护R [R *,S *] - 3,5-二羟基-6-氧代己酸酯的方法
    • US4870199A
    • 1989-09-26
    • US166594
    • 1988-03-10
    • Kau-Ming ChenGoetz E. HardtmannPrasad K. KapaGeorge T. LeeJerome LinderSompong Wattanasin
    • Kau-Ming ChenGoetz E. HardtmannPrasad K. KapaGeorge T. LeeJerome LinderSompong Wattanasin
    • C07D209/18C07D233/54C07F7/18
    • C07D233/64C07D209/18C07F7/1852Y02P20/55
    • Process for the synthesis of compounds of the formula ##STR1## in R[R*,S*] enantiomeric form, wherein each P.sub.1 is independently an hydroxy group-protecting group, andR.sub.2z is C.sub.1-4 alkyl, benzyl or allyl,comprising, as a key step when R.sub.2z is R.sub.2x, the reaction of the compound of the formula ##STR2## in (S) enantiomeric form with a compound of the formulaMg.sup. .circle.+2 (.sup..crclbar. OOC--CH.sub.2 --COOR.sub.2x).sub.2to obtain a compound of the formula ##STR3## in (S) enantiomeric form, and, as a key step when R.sub.2z is R.sub.2y, the reaction of a compound of the formula ##STR4## in (S) enantioimeric form with a compound of the formulaLi.sup..sym..crclbar. CH.sub.2 --COOR.sub.2yto obtain a compound of the formula ##STR5## in (S) enantiomeric form, wherein R.sub.2x is primary or secondary C.sub.1-4 alkyl, benzyl or allyl,R.sub.2y is C.sub.1-4 alkyl not containing an asymmetric carbon atom, andR.sub.3 ' is methyl or ethyl,processes for the synthesis of compounds of the formula ##STR6## comprising reacting a compound of the formula ##STR7## with the reaction product of a strong base and a compound of the formula ##STR8## optionally followed by, when R.sub.2z is allyl, cleavage of the allyl and P.sub.1 groups to obtain the corresponding compound of the formula ##STR9## wherein each R.sub.7 is methyl or ethyl,R is as defined in the specification, and eachP.sub.1 independently and R.sub.2z are as defined above, andthe compounds of the formula ##STR10## wherein R and each R.sub.7 are as defined above.
    • 用于合成R [R *,S *]对映体形式的式“IMAGE”的化合物的方法,其中每个P1独立地是羟基保护基,R2z是C1-4烷基,苄基或烯丙基,包括作为 R2z为R2x时的关键步骤,式(S)对映异构形式的式(IMA)化合物与式Mg&cir&+2(( - )OOC-CH2-COOR2x)2的化合物的反应,得到化合物 式(S)对映体形式的式(IMAGE)式中,作为R2z为R2y的关键步骤,式(S)对映异构体形式的式“IMAGE”的化合物与式Li )( - )CH2-COOR2y,得到(S)对映异构体形式的下式的化合物,其中R2x是伯或仲C 1-4烷基,苄基或烯丙基,R2y是不含不对称碳原子的C 1-4烷基, 并且R 3'是甲基或乙基,用于合成式IMA化合物的方法包括使式IMA的化合物与强碱的反应产物 da化合物,其中当R 2z是烯丙基时,烯丙基和P1基团裂解,得到相应的式“IMAGE”化合物,其中每个R 7是甲基或乙基,R如说明书中所定义 ,每个P1独立地和R2z如上所定义,并且式“IMAGE”的化合物其中R和每个R 7如上所定义。