TRANS-2-BUTENAL DIETHYL ACETAL Chemical Properties

Boiling point:

146-150 °C(lit.)

Density 

0.831 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.412(lit.)

Flash point:

93 °F

LogP

2.280 (est)

Safety Information

Hazard Codes 

Xi

Risk Statements 

10-36/37/38

Safety Statements 

16-26-36/39

RIDADR 

UN 1993 3/PG 3

WGK Germany 

3

MSDS

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TRANS-2-BUTENAL DIETHYL ACETAL Usage And Synthesis

Uses

trans-2-Butenal diethyl acetal may be used in the preparation of 2S,3S-epoxybutan-1-ol, an intermediate in the synthesis of erythromycin antibiotic.

General Description

trans-2-Butenal diethyl acetal is an acetal. Acetals are usually derived from the aldehydes. They have two single-bonded oxygen atoms attached to the same carbon atom. They are stable under basic conditions and they can be hydrolyzed back to the carbonyl compound. Acetals serves as a carbonyl protecting group and also are present as functional groups in glycosidic bonds. trans-2-Butenal diethyl acetal has been synthesized from trans-2-butenal with ethanol in the presence of methanesulfonic acid or methylsulfonate as catalysts.

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