CAS: 630-94-4; (±)-Corynoxeine

该化合物是一种自然产生的藻类,主要来自昆虫的植物物种,通常称为猫爪,其特征是复杂的分子结构,包括多种环和有助于其生物活动的功能组.科罗新辛表现出一系列的药理特性,包括抗炎,止痛和...

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CAS号61-54-1 色胺 | CAS号1443767-65-4 tert-butyl 2,5-... | CAS号76-66-4 钩藤碱 | CAS号17391-18-3 柯诺辛B

合成工艺路线路线简述

    📜Tert-Butyl 2-Oxohex-5-Enoate置于bis(η3-Allyl-μ-Chloropalladium(II)),Caesium Carbonate,臭氧,三乙胺,N,N-二异丙基乙胺,1,2-双(二苯基膦)乙烷体系中,用 四氢呋喃,二氯甲烷,乙腈 作为反应溶剂,化学反应 16.41H,反应生成 去氢钩藤碱
    参考文献:螺环羟吲哚生物碱棒碱,棒棒碱 B,棒棒碱和钩藤碱的全合成
    标题:螺环羟吲哚生物碱棒碱,棒棒碱 B,棒棒碱和钩藤碱的全合成
    摘要:报道了四种螺环羟吲哚生物碱的外消旋全合成.一般的起始材料是 N-2-丁烯基化的 2-羟色胺,它与官能化的醛进行碱介导的曼尼希螺环化反应以反应生成 C 环.第二个关键步骤是 Pd 催化的 α-酮酯烯醇化物(在原始醛中)环化到烯丙基碳酸酯(在 N 取代基中)以形成 D 环.关键步骤的立体选择性适中,但异构体易于纯化,可以方便地制备天然产物,其中三个是首次.
    DOI:10.1002/ejoc.201201505

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    专利信息


    专利号:US-2025092433-A1
    优先权日:2023-09-20
    标 题:Polypeptides for use in the synthesis of kratom alkaloids
    发明人:CASARETTO JOSE; AKTAR TARIQ A; ROTHSTEIN STEVEN; SOUBEYRAND ERIC
    权利人:MITRADYNE CORP
    摘要:Described herein are polypeptides encoding enzymes for the synthesis of monoterpene indole alkaloids. For example, the polypeptide comprises or consists of the sequence of SEQ ID NO: 1-68, or a variant thereof having at least 80% sequence identity to SEQ ID NO: 1-68, or a fragment of the polypeptide, or the variant thereof.

    专利号:EP-4538367-A2
    优先权日:2023-09-20
    标 题:Polypeptides for use in the synthesis of kratom alkaloids

    专利号:CN-120004790-A
    优先权日:2023-11-15
    标 题 :Synthesis method of spiro oxindole, ke Nayin and yohimbine alkaloid and derivatives thereof

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    ✅ COA系统入驻 | 共享模式

    主要参考文献


    1: Chen L, Ma J, Wang X, Zhang M. Simultaneous Determination of Six Uncaria Alkaloids in Mouse Blood by UPLC-MS/MS and Its Application in Pharmacokinetics and Bioavailability. Biomed Res Int. 2020 Aug 17;2020:1030269. doi: 10.1155/2020/1030269.
    2: Flores-Bocanegra L, Raja HA, Graf TN, Augustinović M, Wallace ED, Hematian S, Kellogg JJ, Todd DA, Cech NB, Oberlies NH. The Chemistry of Kratom [Mitragyna speciosa]: Updated Characterization Data and Methods to Elucidate Indole and Oxindole Alkaloids. J Nat Prod. 2020 Jul 24;83(7):2165-2177. doi: 10.1021/acs.jnatprod.0c00257. Epub 2020 Jun 29. 18(20):2742-2756. doi: 10.1080/15384101.2019.1656952. Epub 2019 Aug 29.
    4: Li T, Xu K, He J, Jahan N, Song J, Wang S. Effects of isocorynoxeine, from Uncaria, on lower urinary tract dysfunction caused by benign prostatic hyperplasia via antagonism of α1A-adrenoceptors. Toxicol Appl Pharmacol. 2019 Aug 1;376:95-106. doi: 10.1016/j.taap.2019.05.018. Epub 2019 May 27.

    合成参考文献


    参考文献:10.1016/j.phymed.2018.04.034
    摘要:Nakamura Y, Ishida Y, Kondo M, Shimada S. Yokukansan contains compounds that antagonize the 5-HT3 receptor. Phytomedicine. 2018 Apr 01;43():120–5. doi: 10.1016/j.phymed.2018.04.034.
    参考文献:10.1111/j.2042-7158.1985.tb03023.x
    摘要:Kanatani H, Kohda H, Yamasaki K, Hotta I, Nakata Y, Segawa T, Yamanaka E, Aimi N, Sakai S. The active principles of the branchlet and hook of Uncaria sinensis Oliv. examined with a 5-hydroxytryptamine receptor binding assay. J Pharm Pharmacol. 1985 Jun;37(6):401–4. doi: 10.1111/j.2042-7158.1985.tb03023.x.
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