Patent · US Expired

2-[2'-(Hydanto-5-yl)-ethyl]-5,5-dimethyl-1,3-dioxane

US4342874A · kind A · utility

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1References

1Claims

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Assignee

Degussa AG · DE

Inventors

Axel Kleemann · Hanau, DE
Marc Samson · Lokeren, BE

Key dates

Filing date	Nov 10, 1981
Grant date	Aug 3, 1982
Priority date	—
Expiry date	Nov 10, 2001

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D209/20
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention is directed to 2-[2'-(hydanto-5-yl)-ethyl]-5,5-dimethyl-1,3-dioxane of the formula ##STR1## its production by reaction of 2-(2'-formylethyl)-5,5-dimethyl-1,3-dioxane with hydrogen cyanide or a cyanide ion supplying compound, ammonia, or an ammonium ion supplying compound and carbon dioxide or a carbonate ion supplying compound in aqueous alcoholic solution and its use for the production of tryptophane-hydantoin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.