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    • 2. 发明公开
    • 탁솔의 제조 방법
    • TAXOL的制备方法
    • KR1020000010861A
    • 2000-02-25
    • KR1019980709004
    • 1997-04-10
    • 파마시아 앤드 업존 캄파니 엘엘씨
    • 우츠,피터,지.,엠.켈리,로버트,씨.
    • C07C311/19C07C231/14C07D305/14C07F7/18
    • C07D263/04C07B2200/07C07C233/83C07C233/87C07C237/20C07C251/44C07C255/44C07C271/22C07C311/19C07D263/06C07D277/80C07D285/125C07D305/14C07D417/12C07F7/1856C08L67/07C12P7/42C12P41/005
    • PURPOSE: A preparation method for producing taxol and taxol anologues useful for treating cancer are provided by using substituted amino-3-phenyl(2R,3S) isoserinates or precursors thereof. CONSTITUTION: The process is comprised of: transforming an alkyl(2R,3S)-phenylisoserinates to the corresponding substituted amino-3-phenyl(2R,3S)isoserinates(II); transforming the(II) to the corresponding oxazoline esters(III), by contacting the (II) in a solvent capable of forming a water azeotrope with an aromatic aldehyde and an acid; transforming the (III) to the corresponding oxazolidine acids(IV); coupling the (IV) with the 7-silylated-10-acylated baccatin III(VI) to produce the corresponding oxazolidine silylated baccatin III(VII); deprotecting the (VII) to produce the phenylisoserine ester of silylated baccatin III(VIII); producing the N-substituted isoserine silylated baccatin III(IX) by N-acylation of the (VII); producing the desired taxol(X) by desilylation of the (IX).
    • 目的:通过使用取代的氨基-3-苯基(2R,3S)异丝氨酸酯或其前体,制备可用于治疗癌症的紫杉醇和紫杉醇淫羊藿的制备方法。 构成:该方法包括:将(2R,3S) - 苯基异丝氨酸烷基酯转化为相应的取代的氨基-3-苯基(2R,3S)异丝氨酸酯(II); 通过使(II)在能够形成水共沸物的溶剂中与芳族醛和酸接触来将(II)转化成相应的恶唑啉酯(III); 将(III)转化为相应的恶唑烷酸(IV); (IV)与7-甲硅烷基化-10-酰化的浆果赤霉素III(VI)偶联以产生相应的恶唑烷甲硅烷基化浆果赤霉素III(VII); 脱保护(VII)以产生甲硅烷基化浆果赤霉素III(VIII)的苯基异丝氨酸酯; 通过(VII)的N-酰化生产N-取代的异丝氨酸甲硅烷基化浆果赤霉素III(IX); 通过(IX)的脱甲硅烷产生所需的紫杉醇(X)。
    • 8. 发明公开
    • PNA 올리고머를 합성하기 위한 신규한 단량체 및 그의제조방법
    • 用于合成PNA低聚物的单体及其生产方法
    • KR1020030084444A
    • 2003-11-01
    • KR1020020023157
    • 2002-04-26
    • 주식회사 파나진
    • 김성기임종찬윤여홍전재훈최훈이현일안상열서기선
    • C07D417/12
    • C07D417/04C07B2200/11C07D277/80C07D417/12C07D417/14Y02P20/55
    • PURPOSE: A monomer for the synthesis of a PNA oligomer and a process for producing the same are provided. The monomer can simultaneously protect backbone of a compound and activate the amidation reaction with primary amine. CONSTITUTION: A monomer for the synthesis of a PNA oligomer represented by the formula 1 is provided, wherein R1 is hydrogen, or a side chain of alpha amino acid being naturally or nonnaturally; and B is protected or unprotected, nucleic acid base being naturally and nonnaturally, such as thymine, cytosine, guanine, adenine or uracil. A process for producing a monomer for the synthesis of a PNA oligomer of the formula 1 is characterized by hydrolysis of a compound of the formula 7, and cyclization of the hydrolysate, wherein R2 is hydrogen, C1-C4 alkyl, phenyl, aryl or cyanoethyl. A process for producing a monomer for synthesis of a PNA oligomer of the formula 1 is characterized by reacting a compound of the formula 6 with a compound of the formula 8, wherein HX is inorganic or organic acid.
    • 目的:提供用于合成PNA低聚物的单体及其制造方法。 单体可同时保护化合物的主链并与伯胺活化酰胺化反应。 提供了用于合成由式1表示的PNA低聚物的单体,其中R 1是氢或α氨基酸的侧链是天然的或非天然的; B是受保护或未受保护的,核酸碱基是天然和非天然的,如胸腺嘧啶,胞嘧啶,鸟嘌呤,腺嘌呤或尿嘧啶。 制备用于合成式1的PNA低聚物的单体的方法的特征在于水解式7的化合物和水解产物的环化,其中R2是氢,C1-C4烷基,苯基,芳基或氰乙基 。 制备式1的PNA低聚物的合成单体的方法的特征在于使式6的化合物与式8的化合物反应,其中HX是无机或有机酸。
    • 10. 发明公开
    • 피앤에이 단량체와 그의 전구체
    • PNA单体及其前身
    • KR1020040062611A
    • 2004-07-07
    • KR1020047006648
    • 2003-04-28
    • 주식회사 파나진
    • 김성기이현일임종찬최훈전재훈안상열이성희윤원준
    • C07D417/12
    • C07D417/04C07B2200/11C07D277/80C07D417/12C07D417/14Y02P20/55
    • PURPOSE: A PNA monomer and precursor thereof are provided, thereby providing increased efficiency, high yield and convenience of synthesis of PNA oligomers, and conveniently applying the PNA monomers to instrumentation such as automated synthesizer for synthesis of PNA oligomers. CONSTITUTION: The PNA monomer having formula (I) is provided, wherein E is nitrogen or C-R'; J is sulfur or oxygen; R', R1, R2, R3 and R4 are independently H, halogen, alkyl, nitro, nitrile, alkoxy, halogenated alkyl, halogenated alkoxy, phenyl or halogenated phenyl; R5 is H or protected or unprotected side chain of natural or unnatural alpha-amino acids; and B is a natural or unnatural nucleobase, wherein the nucleobase has an exocyclic amino function, the function is protected by protecting group which is labile to acids but stable to weak to medium bases in the presence of thiol. The method for preparing the PNA monomer having formula (I) comprises cyclizing a compound of formula (VI) in the presence of a coupling reagent that is customarily used in peptide synthesis or mixed anhydride.
    • 目的:提供PNA单体及其前体,从而提高PNA低聚物的合成效率,高产率和方便性,并且方便地将PNA单体应用于诸如用于合成PNA低聚物的自动合成仪的仪器。 构成:提供式(I)的PNA单体,其中E为氮或C-R'; J为硫或氧; R',R 1,R 2,R 3和R 4独立地为H,卤素,烷基,硝基,腈,烷氧基,卤代烷基,卤代烷氧基,苯基或卤代苯基; R5是天然或非天然α-氨基酸的H或保护或未保护的侧链; B是天然或非天然的核碱基,其中核碱基具有环外氨基功能,该功能受到在硫醇存在下对酸不稳定但对弱至中碱稳定的保护基保护。 制备具有式(I)的PNA单体的方法包括在通常用于肽合成或混合酸酐的偶联剂的存在下使式(VI)的化合物环化。