88867-97-4

Basic information

• Product Name: 2-Pyrrolidinecarbonyl chloride, 1-[(4-chlorophenyl)sulfonyl]-, (S)-
• CAS NO: 88867-97-4
• Molecular Formula: C11H11Cl2NO3S
• Molecular Weight: 308.185
• Mol File: 88867-97-4.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: 2-Pyrrolidinecarbonyl chloride, 1-[(4-chlorophenyl)sulfonyl]-, (S)-(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Pyrrolidinecarbonyl chloride, 1-[(4-chlorophenyl)sulfonyl]-, (S)-(88867-97-4)
• EPA Substance Registry System: 2-Pyrrolidinecarbonyl chloride, 1-[(4-chlorophenyl)sulfonyl]-, (S)-(88867-97-4)

Safety Data

• Hazardous Substances Data: 88867-97-4(Hazardous Substances Data)

Upstream product

• 73096-27-2 1-(4-Chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid 
• 73096-27-2 N-(4-chlorophenylsulfonyl)-(S)-proline 
• 98-60-2 4-chlorobenzenesulfonyl chloride 
• 147-85-3 L-proline 

Downstream Products

• 73096-27-2 N-(4-chlorophenylsulfonyl)-(S)-proline 
• 255053-75-9 (S)-9-{N-(p-chlorophenylsulfonyl)prolinyl}-β-carboline 
• 88867-90-7 (S)-1-(4-Chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid ((R)-1-phenyl-ethyl)-amide 
• 88867-91-8 (S)-1-(4-Chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid ((S)-1-phenyl-ethyl)-amide 

Relevant articles and documents

Preparation of both enantiomers of 1-allyl-1,2,3,4-tetrahydro-β-carboline using allyltin reagents and a chiral auxiliary derived from L-proline

β-Carboline, which had an acyl group derived from L-proline at the 9-position, reacted with allyltributyltin and 2,2,2-trichloroethyl chloroformate to afford an 1-allyl-1,2-dihydro-β-carboline derivative in a diastereoselective manner. The chiral acyl group at N-9 was readily eliminated by aqueous alkali to give a corresponding carboxylic acid. The formed 1-allyl-1,2-dihydro-β-carboline was transformed via two reduction steps to 1-allyl-1,2,3,4-tetrahydro-β-carboline in high ee. When the allylation was carried out using tetraallyltin instead of allyltributyltin, the stereoselectivity was reversed, and the antipode of the allyl adduct was obtained in high yield and ee in the presence of tin(IV) tetraiodide. Thus, it was found that both enantiomers of 1-allyl-β-carboline were obtained in good enantioselectivities by the use of the same chiral auxiliary.