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    • 1. 发明申请
    • 1- [2' , 3' -DIDEOXY-3' C- (HYDROXYMETHYL) - BETA-D-ERYTHRO-PENTOFURANOSYL] CYTOSINE DERIVATIVES AS HIV INHIBITORS
    • 作为艾滋病毒抑制剂的1- [2',3'-二氧代-3'C-(羟甲基) - β-D-呋喃基 - 戊氧羰基]胞嘧啶衍生物
    • WO2007006707A1
    • 2007-01-18
    • PCT/EP2006/063919
    • 2006-07-05
    • MEDIVIR ABZHOU, Xiao-XiongSAHLBERG, Christer
    • ZHOU, Xiao-XiongSAHLBERG, Christer
    • C07D493/04A61K31/513A61P31/18
    • C07D493/04
    • Compounds of the formula (I) wherein: R 1 is independently H 1 -OR 3 , -NHR 4 ; C 1 -C 4 alkyl; or, when n is 2, adjacent R 1 together define an olefin ic bond; R 2 is H; or when the gem R 1 is C 1 -C 4 alkyl, that R 2 may also be C 1 -C 4 alkyl; or when the gem R 1 is -OR 3 , that R 2 may also be -C(=O)OH or a pharmaceutically acceptable ester thereof; R 3 is independently H, or a pharmaceutically acceptable ester thereof; R 4 is independently H or a pharmaceutically acceptable amide thereof; R 5 and R6 are H or an amine prodrug moiety n is 1 , 2 or 3; and pharmaceutically acceptable salts thereof; have utility in the treatment or prophylaxis of HIV, especially reverse transcriptase mutants which allow an obligate chain terminating nucleoside- or nucleotide phosphate to be excised from the nascent DNA strand by ATP- or pyrophosphate-mediated excision.
    • 式(I)的化合物其中:R 1独立地是H 1 - , - 3, - NHR 4, ; C 1 -C 4烷基; 或者当n为2时,相邻的R 1一起限定了烯烃键; R 2是H; 或者当R 1是C 1 -C 4烷基时,R 2也可以是C 1 -C 4烷基, C 1 -C 4烷基; 或当Gem R 1为-OR 3时,R 2还可以是-C(= O)OH或药学上可接受的酯 物; R 3独立地为H或其药学上可接受的酯; R 4独立地是H或其药学上可接受的酰胺; R 5和R 6是H或胺前体药物部分n是1,2或3; 及其药学上可接受的盐; 在治疗或预防艾滋病毒方面具有实用价值,特别是逆转录酶突变体,其允许通过ATP或焦磷酸盐介导的切除从核心DNA链上切除核苷或磷酸核苷酸。
    • 4. 发明申请
    • SYNTHESIS OF ACYCLIC NUCLEOSIDES
    • ACYCLIC NUCLEOSIDES的合成
    • WO1997030052A1
    • 1997-08-21
    • PCT/SE1997000242
    • 1997-02-14
    • MEDIVIR AB
    • MEDIVIR ABENGELHARDT, PerHÖGBERG, MaritaZHOU, Xiao-XiongLINDBORG, BjörnJOHANSSON, Nils, Gunnar
    • C07D473/18
    • C07D473/00C07D473/18Y02P20/55
    • A method for preparing enhanced bioavailability antiviral compounds of formula (I) where one of R1 and R2 is -C(O)CH(CH(CH3)2)NH2 or -C(O)CH(CH(CH3)CH2CH3)NH2 and the other of R1 and R2 is -C(O)C3-C21 saturated or monounsaturated, optionally substituted alkyl; and R3 is OH or H, the method comprising: A) the monodeacylation of a diacylated compound corresponding to formula (I) wherein R1 and R2 are both -C(O)CH(CH(CH3)2)NH2 or -C(O)CH(CH(CH3)CH2CH3)NH2 (which are optionally N-protected) or R1 and R2 are both -C(=O)C3-C21, saturated or monounsaturated, optionally substituted alkyl; B) acylating the thus liberated side chain 4-hydroxy or side chain 2-hydroxymethyl group with the corresponding -C(O)CH(CH(CH3)2)NH2 or -C(O)CH(CH(CH3)CH2CH3)NH2 or -C(=O)C3-C21, saturated or monounsaturated, optionally substituted alkyl to thereby produce a compound of formula (I); and C) deprotecting as necessary.
    • 制备式(I)的增强的生物利用度抗病毒化合物的方法,其中R 1和R 2之一是-C(O)CH(CH(CH 3)2)NH 2或-C(O)CH(CH(CH 3)CH 2 CH 3)NH 2和 R1和R2中的另一个是-C(O)C 3 -C 21饱和或单不饱和的,任选取代的烷基; 并且R 3是OH或H,所述方法包括:A)对应于式(I)的二酰化化合物的单脱甲酰化,其中R 1和R 2都是-C(O)CH(CH(CH 3)2)NH 2或-C )CH(CH(CH 3)CH 2 CH 3)NH 2(其任选地被N-保护的)或R 1和R 2都是-C(= O)C 3 -C 21,饱和或单不饱和,任选取代的烷基; B)用相应的-C(O)CH(CH(CH 3)2)NH 2或-C(O)CH(CH(CH 3)CH 2 CH 3)NH 2酰化由此释放的侧链4-羟基或侧链2-羟甲基 或-C(= O)C 3 -C 21,饱和或单不饱和的任选取代的烷基,从而产生式(I)化合物; 和C)根据需要脱保护。