Ionic hydrogenation of C-20, 22-ketene dithioacetal: stereoselective synthesis of steroidal C (20R) aldehydes

Shingate BB; Hazra BG; Pore VS; Gonnade RG; Bhadbhade MM

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Ionic hydrogenation of C-20, 22-ketene dithioacetal: stereoselective synthesis of steroidal C (20R) aldehydes

机译：C-20、22-烯酮二硫缩醛的离子加氢：甾体C（20R）醛的立体选择性合成

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摘要

Homologation of 16-dehydropregnenolone acetate 7 leads to excellent stereocontrolled synthesis of unnatural C (20R) aldehydes 4 and 6 through compound 13.

机译：16-脱氢孕烯醇酮乙酸酯7的同系物可通过化合物13出色地立体控制合成非天然C（20R）醛4和6。

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来源
《Chemical Communications》 |2004年第19期|p. 2194-2195|共2页
作者
Shingate BB; Hazra BG; Pore VS; Gonnade RG; Bhadbhade MM;
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作者单位

Natl Chem Lab, Organ Chem Synth Div, Pune 411008, Maharashtra, India;

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原文格式 PDF
正文语种 eng
中图分类化学;
关键词
SIDE-CHAINS; VITAMIN-D; DERIVATIVES; STEROLS; 20-ISOCHOLESTEROL; CHROMATOGRAPHY;

机译：侧链;维生素D;衍生物;固醇;20-异胆固醇;色谱法;
入库时间 2022-08-17 13:33:13

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专利

1. Stereoselective syntheses of unnatural steroidal C(20R) aldehydes by ionic hydrogenation of C-20 tertiary alcohols [J] . Bapurao B.Shingate, Braja G.Hazra, Vandana S.Pore Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2006,第52期

机译：通过C-20叔醇的离子加氢合成非天然甾体C（20R）醛的立体选择性合成
2. Stereoselective synthesis and antimicrobial activity of steroidal C-20 tertiary alcohols with thiazole/pyridine side chain. [J] . Shingate BB, Hazra BG, Salunke DB, European Journal of Medicinal Chemistry: Chimie Therapeutique . 2011,第9期

机译：具有噻唑/吡啶侧链的甾体C-20叔醇的立体选择性合成和抑菌活性。
3. Stereoselective synthesis and antimicrobial activity of steroidal C-20 tertiary alcohols with thiazole/pyridine side chain. [J] . Shingate BB, Hazra BG, Salunke DB, European Journal of Medicinal Chemistry: Chimie Therapeutique . 2011,第9期

机译：具有噻唑/吡啶侧链的甾体C-20叔醇的立体选择性合成和抑菌活性。
4. Highly Stereoselective Synthesis with Polyborylated Reagents: Cross-coupling of 1,1.Diboryl-l-alkenes and Triple Aldehyde Addition of(Z)-l,2,3,4-Tetraboryl-2-butene [C] . Masaki Shimizu, Katsuhiro Shimono, Chihiro Nakamaki, Symposium on Organometallic Chemistry . 2004

机译：高度立体化合成具有聚合物化试剂：1,1.Diboryl-L-烯烃的交叉偶联和三重醛加入（Z）-L，2,3,4-四甲基-2-丁烯
5. Part One. Synthesis of optically active tryptophan derivatives with potential activity as indoleamine 2,3-dioxygenase inhibitors: An approach via asymmetric catalytic hydrogenation. Part Two. Design, synthesis and pharmacology of selective ligands for alpha1-containing GABA(A)/benzodiazepine receptor subtypes: SAR studies of beta-carbolines at positions -3 and -6 and their corresponding bivalent ligands. Part Three. First enantiospecific total synthesis of the important biogenetic intermediates, (+)-polyneuridine and (+)-polyneuridine aldehyde, as well as 16-epi-vellosimine and macusine A. [D] . Yin, Wenyuan. 2007

机译：第一部分。具有吲哚胺2,3-二加氧酶抑制剂潜在活性的旋光色氨酸衍生物的合成：一种通过不对称催化氢化的方法。第二部分。含α1的GABA（A）/苯并二氮杂receptor受体亚型的选择性配体的设计，合成和药理作用：位于-3和-6位的β-咔啉及其相应的二价配体的SAR研究。第三部分。重要生物遗传中间体，（+）-聚神经氨酸和（+）-聚神经氨酸醛，以及16-表-维西辛和Macusine A的首次对映体全合成。
6. Synthesis of Prolinal Dithioacetals as Catalysts for the Highly Stereoselective Michael Addition of Ketones and Aldehydes to β-Nitrostyrenes [O] . Tanmay Mandal, Cong-Gui Zhao -1

机译：合成脯氨酸二硫缩醛作为催化剂向β-硝基苯乙烯中高度立体选择性地迈克尔和醛加成迈克尔
7. Synthesis of prolinal dithioacetals as catalysts for the highly stereoselective Michael addition of ketones and aldehydes to β-nitrostyrenes [O] . Tanmay Mandal, Cong-Gui Zhao 2007

机译：作为高度立体选择性迈克尔的催化剂合成喹氏二硫代缩醛，其加入酮和醛与β-硝化丁烯

Ionic hydrogenation of C-20, 22-ketene dithioacetal: stereoselective synthesis of steroidal C (20R) aldehydes

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