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    • 3. 发明授权
    • 6,7-modified paclitaxels
    • 6,7修饰紫杉醇
    • US5380751A
    • 1995-01-10
    • US128619
    • 1993-09-28
    • Shu-Hui ChenVittorio FarinaGregory RothJohn Kadow
    • Shu-Hui ChenVittorio FarinaGregory RothJohn Kadow
    • A61K31/337A61P35/00C07D305/14C07D407/12C07D409/12C07D413/12C07F7/18A61K31/335
    • C07D407/12C07D305/14C07D409/12C07D413/12C07F7/1856
    • The present invention provides paclitaxel derivatives of formula I ##STR1## in which R.sup.1 is --COR.sup.z in which R.sup.Z is RO-- or R;R.sup.2 is C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl, or a radical of the formula --W--R.sup.x in which W is a bond, C.sub.2-6 alkenediyl, or --(CH.sub.2).sub.t --, in which t is one to six; and R.sup.x is naphthyl, phenyl, or heteroaryl, and furthermore R.sup.x can be optionally substituted with one to three same or different C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or --CF.sub.3 groups;R.sup.a is --OCOR, H, OH, --OR, --OSO.sub.2 R, --OCONR.sup.o R, --OCONHR, --OCOO(CH.sub.2).sub.t R, or --OCOOR;R.sup.b and R.sup.c are both hydroxy or together form a bond with the carbon atoms to which they are attached; andR and R.sup.o are independently C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.3-6 cycloalkyl, C.sub.2-6 alkynyl, or phenyl, optionally substituted with one to three same or different C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or --CF.sub.3 groups.Also provided by this invention are pharmaceutical formulations (compositions) and a method of treating mammalian tumors with a compound of formula I.
    • 本发明提供式I的紫杉醇衍生物,其中R 1是其中R Z是RO-或R的-CORz; R 2是C 1-6烷基,C 2-6烯基,C 2-6炔基,C 3-6环烷基或式-W-Rx的基团,其中W是键,C 2-6亚烯基或 - (CH 2)t - 其中t为1至6; 并且Rx是萘基,苯基或杂芳基,此外Rx可任选地被一至三个相同或不同的C 1-6烷基,C 1-6烷氧基,卤素或-CF 3基团取代; R a是-OCOR,H,OH,-OR,-OSO 2 R,-OCONRoR,-OCONHR,-OCOO(CH 2)t R或-OCOOR; Rb和Rc都是羟基或与它们所连接的碳原子一起形成键; 并且R和R 4独立地是C 1-6烷基,C 2-6烯基,C 3-6环烷基,C 2-6炔基或苯基,任选地被一至三个相同或不同的C 1-6烷基,C 1-6烷氧基,卤素或 -CF3组。 本发明还提供了药物制剂(组合物)和用式I化合物治疗哺乳动物肿瘤的方法。
    • 4. 发明授权
    • Processes for making cephems from allenylazetidinone derivatives
    • 从烯丙基氮杂环丁酮衍生物制备头孢烯的方法
    • US5162521A
    • 1992-11-10
    • US711250
    • 1991-06-06
    • Vittorio FarinaStephen R. Baker
    • Vittorio FarinaStephen R. Baker
    • C07D501/00C07D501/10
    • C07D501/00Y02P20/55
    • This invention relates to a novel process for making a cephem of formula II from 2-(3-amino-2-oxo-azetidin-1-yl)-2,3-butadienoate of formula I. In another aspect, this invention is concerned with a process of further converting a compound of formula II into an antibacterial cephem of formula III. ##STR1## In formulae I, II and III, R.sup.1 is hydrogen, a conventional amino protecting group or an acyl group; R.sup.2 is an aromatic heterocyclic or aryl group; R.sup.3 is a conventional carboxy protecting group or --CO.sub.2 R.sup.3 taken together forms a physiologically hydrolyzable ester; and R.sup.4 is a group selected from the group consisting of C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, cyclic C.sub.3-6 alkyl, and aryl; and n is 0 or 2.
    • 本发明涉及由式I的2-(3-氨基-2-氧代 - 氮杂环丁烷-1-基)-2,3-丁二烯酸制备式II的头孢烯的新方法。另一方面,本发明涉及 其具有将式II化合物进一步转化成式III的抗菌头孢烯的方法。 在式I,II和III中,R 1是氢,常规的氨基保护基或酰基; R2是芳族杂环或芳基; R3是常规的羧基保护基或-CO 2 R 3一起形成生理上可水解的酯; 并且R 4是选自C 1-6烷基,C 2-6烯基,C 2-6炔基,环C 3-6烷基和芳基的基团。 n为0或2。
    • 6. 发明授权
    • 7,8-cyclopropataxanes
    • 7,8-环丙烷
    • US5254580A
    • 1993-10-19
    • US29819
    • 1993-03-11
    • Shu-Hui ChenVittorio Farina
    • Shu-Hui ChenVittorio Farina
    • C07D305/14A01N43/02C07C305/00
    • C07D305/14
    • An antitumor compound of formula I ##STR1## in which R.sup.1 is --COR.sup.z in which R.sup.z is t-butyloxy, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl, or phenyl, optionally substituted with one to three same or different C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or --CF.sub.3 groups;R.sup.2 is C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-6 cycloalkyl, or a radical of the formula --W--R.sup.x in which W is a bond, C.sub.2-6 alkenediyl, or --(CH.sub.2).sub.t --, in which t is one to six; and R.sup.x is naphthyl, furyl, thienyl or phenyl, and furthermore R.sup.x can be optionally substituted with one to three same or different C.sub.1-6 alkyl, C.sub.1-6 alkoxy, halogen or --CF.sub.3 groups;R.sup.3 is OCOR, --OCOOR, H, or OH; R.sup.4 is hydrogen; or R.sup.3 and R.sup.4 jointly form a carbonyl group; and R is C.sub.1-6 alkyl.Also provided by this invention are pharmaceutical formulations (compositions) and a method of treating mammalian tumors with a compound of formula I.
    • 式I的抗肿瘤化合物,其中R 1为-COR z,其中R z为叔丁氧基,C 1-6烷基,C 2-6烯基,C 2-6炔基,C 3-6环烷基或苯基,任选被 一至三个相同或不同的C 1-6烷基,C 1-6烷氧基,卤素或-CF 3基团; R 2是C 1-6烷基,C 2-6烯基,C 2-6炔基,C 3-6环烷基或式-W-Rx的基团,其中W是键,C 2-6亚烯基或 - (CH 2)t - 其中t为1至6; 并且Rx是萘基,呋喃基,噻吩基或苯基,此外Rx可以任选地被一至三个相同或不同的C 1-6烷基,C 1-6烷氧基,卤素或-CF 3基团取代; R3是OCOR,-OCOOR,H或OH; R4是氢; 或R3和R4共同形成羰基; 且R为C 1-6烷基。 本发明还提供了药物制剂(组合物)和用式I化合物治疗哺乳动物肿瘤的方法。