222048-26-2

Basic information

• Product Name: 2-(1-allyltetrahydro-1H-2-pyrrolylidene)-1-(4-chlorophenyl)-1-ethanone
• Synonyms: 2-(1-allyltetrahydro-1H-2-pyrrolylidene)-1-(4-chlorophenyl)-1-ethanone
• CAS NO: 222048-26-2
• Molecular Weight: 261.751
• Mol File: 222048-26-2.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2-(1-allyltetrahydro-1H-2-pyrrolylidene)-1-(4-chlorophenyl)-1-ethanone(CAS DataBase Reference)
• NIST Chemistry Reference: 2-(1-allyltetrahydro-1H-2-pyrrolylidene)-1-(4-chlorophenyl)-1-ethanone(222048-26-2)
• EPA Substance Registry System: 2-(1-allyltetrahydro-1H-2-pyrrolylidene)-1-(4-chlorophenyl)-1-ethanone(222048-26-2)

Safety Data

• Hazardous Substances Data: 222048-26-2(Hazardous Substances Data)

Upstream product

• 2687-97-0 1-allyl-2-pyrrolidinone 
• 99-91-2 para-chloroacetophenone 

Relevant articles and documents

3-Trifloxypropene iminium and propyne iminium salts derived from N-Allyl-, N-Homoallyl-, and N-Benzyl-substituted semicyclic enaminones

The novel semicyclic enaminoketones 3a-n, featuring N-allyl, N-homoallyl, N-benzyl, and N-4-chlorobenzyl substitution, have been prepared. Their reaction with triflic anhydride leads to 3-trifloxypropene iminium triflates 4 which are transformed into semicyclic propyne iminium triflates 5 by thermal β-elimination of triflic acid (HOTf). If a 4-chlorophenyl group is attached to the TfO-substituted carbon atom, salts 4 can be isolated (4a,d,g,h,k,m) and converted into propyne iminium triflates 5 at 120°C. The presence of a 2-thienyl or 3-thienyl group adjacent to the trifloxy group prevents the isolation of 4 since HOTf elimination occurs already below room temperature. Thus, salts 5b,c,e,f,i,j,l,m,n are obtained directly from enaminoketones 3 and triflic anhydride. Wiley-VCH Verlag GmbH, 1999.