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    • 53. 发明申请
    • PROCESS FOR PREPARING PURINE DERIVATIVES
    • WO2018138500A1
    • 2018-08-02
    • PCT/GB2018/050208
    • 2018-01-25
    • CYCLACEL LIMITED
    • SKEAD, BenWESTWOOD, RobertLONDESBROUGH, DerekNORTHERN, JulianATHERTON, Chris
    • C07D473/16A61P35/00A61K31/52
    • The present invention relates to a process for preparing a compound of formula [I], said process comprising the steps of: formula [II]+formula [III]−>formula [I] (i) forming a reaction mixture comprising (a) a compound of formula [II], (b) a compound of formula [III] and (c) 1,2-propanediol or polyethylene glycol, or a mixture thereof, and optionally (d) a base; (ii) heating said reaction mixture to a temperature of at least about 150°C to form a compound of formula [I]; (iii) isolating said compound of formula [I]; and (iv) optionally converting said compound of formula [I] into salt form; wherein: R 1 and R 2 are each independently H, alkyl or haloalkyl; R 3 and R 4 are each independently H, alkyl, haloalkyl or aryl; R 5 is alkyl, alkenyl, cycloalkyl or cycloalkyl-alkyl, each of which may be optionally substituted with one or more OH groups; R 6 is selected from cyclopropylamino, cyclopropylmethylamino, cyclobutylamino, cyclobutylmethylamino and formula (A) where one of X, Y and Z is N and the remainder are CR 9 ; R 7 , R 8 and each R 9 are independently H, alkyl or haloalkyl, wherein at least one of R 7 , R 8 and R 9 is other than H. Further aspects of the invention relate to a highly diastereoselective process for the preparation of compounds of formula [III], a process for preparing intermediates of formula [II], and other intermediates useful in the synthesis of compounds of formula [I], and to a process for preparing the crystalline tartrate salt and free base of compounds of formula [I].
    • 54. 发明申请
    • THERAPEUTIC TARGETING OF CASEIN KINASE 1δ IN BREAST CANCER
    • 酪蛋白激酶1δ在乳腺癌治疗中的应用
    • WO2017066055A1
    • 2017-04-20
    • PCT/US2016/055436
    • 2016-10-05
    • THE SCRIPPS RESEARCH INSTITUTE
    • ROUSH, William, R.DUCKETT, Derek, R.CLEVELAND, John, L.ROSENBERG, Laura, H.
    • C07D473/32C07D473/16
    • C07D473/16
    • The invention provides a method of inhibiting casein kinase 1δ (CK1δ), comprising contacting the CK1δ with a compound of formula (I), as defined herein; such as compound SR-3029. We demonstrate that CSNK1D is amplified and/or overexpressed in human breast tumors and that CK1δ can be medically targeted in human breast cancer subtypes overexpressing this kinase. The invention further provides a method of treating cancer, such as a breast cancer, melanoma, glioblastoma, medulloblastoma, renal, bladder or colon cancer, or a cancer that metastasizes to the brain, lung, or bone provided that both elevated CK1δ and β-catenin dependence are involved in those metastatic diseases. The cancer can be a breast cancer of the triple negative subclass of breast cancers (TNBC), or can be an HER+ breast cancer.
    • 本发明提供了抑制酪蛋白激酶1δ(CK1δ)的方法,包括使CK1δ与本文定义的式(I)化合物接触; 如复合SR-3029。 我们证明CSNK1D在人乳腺肿瘤中被扩增和/或过表达,并且CK1δ可以在过度表达该激酶的人乳腺癌亚型中医学靶向。 本发明进一步提供了治疗癌症例如乳腺癌,黑素瘤,成胶质细胞瘤,成神经管细胞瘤,肾,膀胱或结肠癌或转移至脑,肺或骨的癌症的方法,前提是CK1δ和β- 连环蛋白依赖性参与了这些转移性疾病。 癌症可以是乳腺癌三阴性亚型(TNBC)的乳腺癌,或者可以是HER +乳腺癌。