cholesteryl butyrate | 137036-79-4

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 类固醇和类固醇衍生物
• 英文名称: cholesteryl butyrate
• 英文别名: 3-(Butyryloxy)cholest-5-ene；[(8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] butanoate
• CAS: 137036-79-4
• 化学式: C₃₁H₅₂O₂
• 分子量: 456.753
• InChiKey: CKDZWMVGDHGMFR-NRDBOTLNSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  9.9
• 重原子数：
  33
• 可旋转键数：
  9
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.9
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  甘油三丁酸酯 、 胆固醇 在 磷脂酶B 作用下， 40.0 ℃ 、4.0 kPa 条件下， 反应 24.0h， 生成 cholesteryl butyrate
  参考文献：
  名称：

  Fatty Acid Steryl, Stanyl, and Steroid Esters by Esterification and Transesterification in Vacuo Using Candida rugosa Lipase as Catalyst

  摘要：

  Sterols (sitosterol, cholesterol, stigmasterol, ergosterol, and 7-dehydrocholesterol) and sitostanol have been converted in high to near-quantitative yields to the corresponding long-chain acyl esters via esterification with fatty acids or transesterification with methyl esters of fatty acids or triacylglycerols using lipase from Candida rugosa as biocatalyst in vacuo (20-40 mbar) at 40 degreesC. Neither organic solvent nor water is added in these reactions. Under similar conditions, cholesterol has been converted to cholesteryl butyrate and steroids (5 alpha -pregnan-3 beta -ol-20-one or 5-pregnen-3 beta -ol-20-one) have been converted to their propionic acid esters, both in moderate to high yields, via transesterification with tributyrin and tripropionin, respectively. Reaction parameters studied in esterification include the temperature and the molar ratio of the substrates as well as the amount and reuse properties of the C, rugosa lipase. Lipases from porcine pancreas, Rhizopus arrhizus, and Chromobacterium viscosum are quite ineffective as biocatalysts for the esterification of cholesterol with oleic acid under the above conditions.

  DOI：

  10.1021/jf000830w

文献信息

• Targeted delivery of imaging probes for in vivo cellular imaging
  申请人：Kao Joseph P. Y.

  公开号：US10202342B2

  公开（公告）日：2019-02-12

  The present invention relates to nitroxide imaging probes that are isotopically modified or unmodified. Such nitroxide imaging probes may be included in liposomes that encapsulate self-quenching concentrations thereof, wherein the liposomes optionally comprise a targeting ligand specific to and having affinity for targeted tissue.

  本发明涉及的是同位素改性的或未改性的硝基氧成像探针。这样的硝基氧成像探针可以包含在封装了自猝灭浓度硝基氧的脂质体中，其中脂质体可选地包含一种针对目标组织具有特异性和亲和力的靶向配体。
• HETEROMULTIVALENT NANOPARTICLE COMPOSITIONS
  申请人：Case Western Reserve University

  公开号：US20140023591A1

  公开（公告）日：2014-01-23

  A composition for use in diagnostic and therapeutic applications includes a heteromultivalent nanoparticle having an outer surface and a plurality of targeting moieties conjugated to the surface of the nanoparticle, the targeting moieties includes a first activated platelet targeting moiety and a second activated platelet targeting moiety.

  用于诊断和治疗应用的组合物包括具有外表面的异多价纳米粒子，其表面上结合有多个靶向基团，这些靶向基团包括第一活化的血小板靶向基团和第二活化的血小板靶向基团。
• ANHYDROUS FLUID FILTERING COMPOSITION COMPRISING AN OILY PHASE, A PARTICULAR TRIAZINE FILTER AND AN OIL THICKENING OR GELLING RHEOLOGICAL AGENT
  申请人：Josso Martin

  公开号：US20110200543A1

  公开（公告）日：2011-08-18

  The present invention relates to an anhydrous fluid composition comprising, in a cosmetically acceptable medium: a) at least one oily phase and b) at least one particular triazine UV filter of formula (I) and c) at least one rheological agent for thickening or gelling the oily phase. The present invention also relates to the use of said composition for the manufacture of products for the cosmetic treatment of the skin, nails, hair, eyelashes, eyebrows and/or scalp, notably care products, sun protection products, make-up products.

  本发明涉及一种无水流体组合物，包括以下成分：a）至少一种油性相，b）至少一种特定的三嗪类紫外线过滤剂，其化学式为（I），以及c）至少一种流变剂，用于增稠或凝胶化油性相，所述组合物在美容上可接受的介质中。本发明还涉及使用该组合物制造用于皮肤、指甲、头发、睫毛、眉毛和/或头皮的化妆品治疗产品，特别是护肤产品、防晒产品、化妆品。
• Compounds for targeting endothelial cells, compositions containing the same and methods for their use
  申请人：——

  公开号：US20020147136A1

  公开（公告）日：2002-10-10

  The present invention provides compounds for targeting endothelial cells, tumor cells or other cells that express the NP-1 receptor, compositions containing the same and methods for their use. Additionally, the present invention includes diagnostic, therapeutic and radiotherapeutic compositions useful for visualization, therapy or radiotherapy.

  本发明提供了用于靶向内皮细胞、肿瘤细胞或其他表达NP-1受体的细胞的化合物，包含这些化合物的组合物以及它们的使用方法。此外，本发明还包括用于可视化、治疗或放射治疗的诊断、治疗和放射治疗组合物。
• 1,3,5-Triazines for Treatment of Viral Diseases
  申请人：Daifuku Richard

  公开号：US20070207973A1

  公开（公告）日：2007-09-06

  The present invention provides compounds and methods for treatment of viral diseases and cancer.

  本发明提供了用于治疗病毒性疾病和癌症的化合物和方法。