Regio and stereochemically controlled ring opening of epoxides with grignard reagents. Stereocontrolled synthesis of the steroid side chains. first stereoselective hemisynthesis of 20s isolanosterol.

J.R. Schauder; A. Krief

Regio and stereochemically controlled ring opening of epoxides with grignard reagents. Stereocontrolled synthesis of the steroid side chains. first stereoselective hemisynthesis of 20s isolanosterol.

J.R. Schauder, A. Krief

Research output: Contribution to journal › Article › peer-review

Abstract

Title compound was efficiently prepared taking advantage of a stereoselective hydride shift during the reaction between the Grignard reagent derived from ethoxyacetylene and an epoxide. The solvent was found to have a crucial role in this and related reactions.

Original language	English
Pages (from-to)	4389-4392
Number of pages	4
Journal	Tetrahedron Letters
Volume	23
Issue number	42
Publication status	Published - 1 Jan 1982

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title = "Regio and stereochemically controlled ring opening of epoxides with grignard reagents. Stereocontrolled synthesis of the steroid side chains. first stereoselective hemisynthesis of 20s isolanosterol.",

abstract = "Title compound was efficiently prepared taking advantage of a stereoselective hydride shift during the reaction between the Grignard reagent derived from ethoxyacetylene and an epoxide. The solvent was found to have a crucial role in this and related reactions.",

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AU - Krief, A.

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AB - Title compound was efficiently prepared taking advantage of a stereoselective hydride shift during the reaction between the Grignard reagent derived from ethoxyacetylene and an epoxide. The solvent was found to have a crucial role in this and related reactions.

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Regio and stereochemically controlled ring opening of epoxides with grignard reagents. Stereocontrolled synthesis of the steroid side chains. first stereoselective hemisynthesis of 20s isolanosterol.

Abstract

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