81643-03-0

Basic information

• Product Name: 2-Pentenoic acid, 1,1-dimethylethyl ester, (2E)-
• CAS NO: 81643-03-0
• Molecular Formula: C9H16O2
• Molecular Weight: 156.225
• Mol File: 81643-03-0.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2-Pentenoic acid, 1,1-dimethylethyl ester, (2E)-(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Pentenoic acid, 1,1-dimethylethyl ester, (2E)-(81643-03-0)
• EPA Substance Registry System: 2-Pentenoic acid, 1,1-dimethylethyl ester, (2E)-(81643-03-0)

Safety Data

• Hazardous Substances Data: 81643-03-0(Hazardous Substances Data)

Upstream product

• 81643-00-7 (Z)-Pent-3-enoic acid tert-butyl ester 

Downstream Products

• 911224-72-1 tert-butyl (3R,αR)-3-(N-benzyl-N-α-methylbenzylamino)pentanoate 
• 588732-00-7 (2E,4R,5R)-5-hydroxy-4-methyl-5-phenyl-2-pentenoic acid tert-butyl ester 
• 131347-76-7 (R)-β-aminopentanoic acid 
• 81643-00-7 (Z)-Pent-3-enoic acid tert-butyl ester 
• 81643-01-8 (E)-Pent-3-enoic acid tert-butyl ester 

Relevant articles and documents

Double Bond Stabilizing Abilities of Formyl, Carbo-tert-butoxy, and Carbomethoxy Substituents

Equilibrium constants for reactions of the type trans-MeCH=CHCH2COX trans-EtCH=CHCOX, where X is H, OMe, and O-t-Bu, have been determined in tert-butyl alcohol solution at various temperatures by using basic catalysts.These equilibrium constants for formation of the conjugated isomer, extrapolated to 25 deg C, are 24, 4.9, and 5.1 for the aldehyde, methyl ester, and tert-butyl ester, respectively.Possible explanations for the relative magnitudes of these equilibrium constants are discussed.