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2-{(4a′ S ,6a′ S ,10a′ R ,10b′ R )-Octahydrospiro[1,3-dioxolane-2,2′-pyrano[2,3- c ]chromen]-6a′(1′ H )-yloxy}ethanol in the Synthesis of (2 S )- and (2 R )-Dodecane-1,2-diols
Russian Journal of Organic Chemistry ( IF 0.8 ) Pub Date : 2020-11-24 , DOI: 10.1134/s1070428020100279
L. Kh. Faizullina , A. R. Tagirov , Sh. M. Salikhov , S. F. Petrova , F. A. Valeev

Abstract

Michael adduct of levoglucosenone and cyclohexanone, 1,6-anhydro-3,4-dideoxy-4-C-(2-oxocyclohexan-1-yl)-β-D-erythrohexo-2-ulose, was treated with ethylene glycol in the presence of oxalic acid, and the resulting mixed ketal, 2-{(4a′S,6a′S,10a′R,10b′R)-octahydrospiro[1,3-dioxolane-2,2′-pyrano[2,3-c]chromen]-6a′(1′H)-yloxy}ethanol, was used a chiral auxiliary in the synthesis of vicinal diols.



中文翻译:

2-{(4a'S,6a'S,10a'R,10b'R)-八氢螺环[1,3-二氧戊环-2,2'-吡喃并[2,3-c]铬] -6a'(1' (2 S)-和(2 R)-十二烷-1,2-二醇的合成中的H)-酰氧基}乙醇

摘要

在乙二醇溶液中,用乙二醇处理左葡萄糖葡萄糖酮和环己酮的迈克尔加成物,1,6-脱水-3,4-二脱氧-4- C-(2-氧代环己-1-基)-β-D-赤藓基-2-ulose。草酸的存在,且将所得混合缩酮,2 - {(4A'小号,6A'小号,10A' - [R,10B' - [R)-octahydrospiro [1,3-二氧戊环-2,2'-吡喃并[2,3 -c ] chromen] -6a'(1'H)-酰氧基}乙醇被用于手性二元醇的合成中。

更新日期:2020-11-25
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