US 5,344,947 A · Optically active derivatives of glycidol

Abstract

Optically active derivatives of glycidol are disclosed. These compounds, (2S) and (2R) glycidyl tosylate and (2S) and (2R) glycidyl 4-chloro-3-nitrobenzenesulfonate can be readily crystallized to high enantiomeric purity. Their use in other synthesis reactions is also described.

Claims6

Dependent claims

A compound of the formula ##STR5## having an enantiomeric purity of at least about 90% e.e.

Dependencies are inferred from the claim text.

Facts

Application

08/005,938Filed 15 Jan 1993 · continuation

Priority

1 Oct 1986

Granted

6 Sep 1994

Term ends

Not estimatedThe source records don’t support an estimate.

Classification2 codes

C07D 303/16
With hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms: by esterified hydroxyl radicals
C07D
Heterocyclic compounds

Family

Serial913,936Parent of this division · filed 1 Oct 1986

Serial349,847Parent of this continuation · filed 10 May 1989

Serial628,197Parent of this continuation · filed 17 Dec 1990

US 4,946,974 AParent of this division

US 5,344,947 AThis patent

From the US filing history. Foreign family members aren’t listed.

Abstract

Claims6

Dependent claims

A compound of the formula ##STR5## having an enantiomeric purity of at least about 90% e.e.

Dependencies are inferred from the claim text.

Optically active derivatives of glycidol

Life of this patent

Abstract

Claims6

Optically active derivatives of glycidol

Life of this patent

Abstract

Claims6