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维生素D化合物的直接C-1羟基化:1α-羟基维生素D3、1α,25-二羟基维生素D3和1α-羟基维生素D2的简便制备

Direct C-1 hydroxylation of vitamin D compounds: convenient preparation of 1alpha-hydroxyvitamin D3, 1alpha, 25-dihydroxyvitamin D3, and 1alpha-hydroxyvitamin D2.

作者信息

Paaren H E, Hamer D E, Schnoes H K, DeLuca H F

出版信息

Proc Natl Acad Sci U S A. 1978 May;75(5):2080-1. doi: 10.1073/pnas.75.5.2080.

Abstract

An efficient procedure for the direct C-1 hydroxylation of vitamin D compounds has been developed. The method involves conversion of vitamin D3 tosylates to 3,5-cyclovitamin D derivatives, allylic oxidation with selenium dioxide, and acid-catalyzed solvolysis to the 1 alpha-hydroxyvitamin D analogs. When applied to vitamin D3,25-hydroxyvitamin D3, and vitamin D2, this sequence give the corresponding 1alpha-hydroxylated derivatives in 10-15% yield.

摘要

已开发出一种用于维生素D化合物直接C-1羟基化的有效方法。该方法包括将维生素D3甲苯磺酸盐转化为3,5-环维生素D衍生物,用二氧化硒进行烯丙基氧化,以及酸催化溶剂解为1α-羟基维生素D类似物。当应用于维生素D3、25-羟基维生素D3和维生素D2时,该序列以10-15%的产率得到相应的1α-羟基化衍生物。

相似文献

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An efficient synthesis of 1α,25-dihydroxyvitamin D LC-biotin.1α,25-二羟基维生素D LC-生物素的高效合成。
J Steroid Biochem Mol Biol. 2017 Oct;173:89-92. doi: 10.1016/j.jsbmb.2017.01.025. Epub 2017 Feb 6.

本文引用的文献

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Science. 1974 Dec 13;186(4168):1038-40. doi: 10.1126/science.186.4168.1038.
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J Org Chem. 1977 Oct 28;42(22):3597-9. doi: 10.1021/jo00442a033.
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J Am Chem Soc. 1975 Oct 15;97(21):6249-50. doi: 10.1021/ja00854a053.

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