2-Methyl-4-phenyl-2-butanol

Description

2-Methyl-4-phenyl-2-butanol has a floral green, fruity, linalool character with a mildly herbaceous odor. May be prepared by reaction of phenylethyl magnesium chloride with acetone.

Chemical properties

Colorless or light yellow liquid

Chemical properties

2-METHYL-4-PHENYL-2-BUTANOL is a colorless liquid with a dry, floral, lily-like odor. It has been identified in cocoa aroma and is prepared by a Grignard reaction of benzylacetone and methyl magnesium chloride. It is used in blossom compositions.

Chemical properties

2-Methyl-4-phenyl-2-butanol has a floral, green, fruity, linalool character and mildly herbaceous odor.

Occurrence

Has apparently not been reported to occur in nature.

The Uses of 2-Methyl-4-phenyl-2-butanol

2-Phenethyl-2-propanol is a useful reagent in preparation of phenyldimethylsilyl group as a masked hydroxy group.

Preparation

By reaction of phenylethyl magnesium chloride with acetone

Aroma threshold values

Aroma characteristics at 1.0%: clean, fresh, floral reminiscent of rose and violet

Taste threshold values

Taste characteristics at 10–40 ppm: floral, rosy, oily with a slight fruity nuance

Synthesis Reference(s)

The Journal of Organic Chemistry, 60, p. 4922, 1995 DOI: 10.1021/jo00120a042

Safety Profile

Moderately toxic by ingestion andskin contact. When heated to decomposition it emits acridsmoke and irritating fumes.