118097-35-1

Basic information

• Product Name: 3,4-dimethyl-5-ethyl-2-propylacetophenone
• CAS NO: 118097-35-1
• Molecular Weight: 218.339
• Mol File: 118097-35-1.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 3,4-dimethyl-5-ethyl-2-propylacetophenone(CAS DataBase Reference)
• NIST Chemistry Reference: 3,4-dimethyl-5-ethyl-2-propylacetophenone(118097-35-1)
• EPA Substance Registry System: 3,4-dimethyl-5-ethyl-2-propylacetophenone(118097-35-1)

Safety Data

• Hazardous Substances Data: 118097-35-1(Hazardous Substances Data)

Upstream product

• 26059-43-8 hept-3-yn-2-one 
• 4467-35-0 5,6-dimethyl-4-ethyl-2H-pyran-2-one 

Relevant articles and documents

REGIOSELECTIVITY IN THE DIELS-ALDER REACTIONS OF α-PYRONES WITH ALKYNES

4-Ethyl-5-methyl-6-methylthio-2(H)-pyranone (4) undergoes Diel-Alder reactions with ethyl hexynoate (5), 3-heptyn-2-one (6), ethyl propiolate (7), and 3-butyn-2-one (8) to afford substitutes benzenes with high regioselectivity upon extrusion of CO2. 4-Ethyl-5,6-dimethyl- (1), 4-ethyl-3,6-dimethyl- (2) and 4-ethyl-5-methyl-(2H)-pyranone (3) gave excellent to good regioselectivity with internal alkynes 5 and 6 and poor regioselectivity with terminal alkynes 7 and 8.MNDO calculations have been carried out on the pyrones and alkynes and qualitative FMO analysis correctly predicts the major products.