72726-10-4

Basic information

• Product Name: 2,3-dimethyl-4-phenyloxazolium-5-olate
• CAS NO: 72726-10-4
• Molecular Weight: 189.214
• Mol File: 72726-10-4.mol

Chemical Properties

• CAS DataBase Reference: 2,3-dimethyl-4-phenyloxazolium-5-olate(CAS DataBase Reference)
• NIST Chemistry Reference: 2,3-dimethyl-4-phenyloxazolium-5-olate(72726-10-4)
• EPA Substance Registry System: 2,3-dimethyl-4-phenyloxazolium-5-olate(72726-10-4)

Safety Data

• Hazardous Substances Data: 72726-10-4(Hazardous Substances Data)

Upstream product

• 2392-54-3 (acetyl-methyl-amino)-phenyl-acetic acid 

Downstream Products

• 117712-13-7 1,2-dimethyl-4,5-diphenylpyrrole-3-carboxylic acid 
• 117712-14-8 1,5-dimethyl-2,4-diphenylpyrrole-3-carboxylic acid 
• 140241-73-2 1,5-Dimethyl-2-phenyl-1H-pyrrole-3-carboxylic acid methyl ester 
• 140241-72-1 1,2-Dimethyl-5-phenyl-1H-pyrrole-3-carboxylic acid methyl ester 
• 86296-98-2 3-Cyano-1,5-dimethyl-2,4-diphenyl-2,3-dihydro-1H-pyrrole-3-carboxylic acid methyl ester 
• 18780-48-8 1,5-Dimethyl-2,4-diphenyl-1H-pyrrole-3-carboxylic acid methyl ester 
• 140241-78-7 1,2-Dimethyl-4,5-diphenyl-1H-pyrrole-3-carboxylic acid methyl ester 

Relevant articles and documents

Regioselectivity in the 1,3-dipolar cycloaddition of muenchnones with two electrophilic alkynes. Attempt of rationalization.

The 1,3-dipolar cycloaddition reaction of several unsymmetrically substituted muenchnones with methyl propiolate 3a and with methyl 3-phenylpropiolate 3b has been examined.The reaction generally proceeds with formation of mixtures of both possible regioisomeric pyrroles.The dipolarophile 3b is more selective than 3a in accordance with the literature.Sustmann's variation-perturbation theory could not account for the observed regioselectivities, this theory gives correct predictions with alkenes as we have shown recently. 1,3-cycloaddition / muenchnones / pyrroles / regioselectivity

ν-Triazolines, XXVI. 1,2,5-Trisubstituted 3-Pyrrolecarbaldehydes from N-Substituted Oxazolium-5-olates and 5-Amino-4,5-dihydro-4-methylene-ν-triazoles

Die Cycloaddition von einigen symmetrisch und unsymmetrisch substituierten N-substituierten Oxazolium-5-olaten (2) an 5-Amino-4,5-dihydro-4-methylen-ν-triazole (1) wird beschrieben.Durch regiospezifische Cycloaddition entstehen instabile Cycloaddukte, die sofort Kohlendioxid und Stickstoff unter Umlagerung zu 1,2,5-trisubstituierten 3-Pyrrolcarbaldehyd-anilen (3) eliminieren.Die Anile werden leicht zu den entsprechenden 1,2,5-trisubstituierten 3-Pyrrolcarbaldehyden (4) hydrolysiert.

ORIENTATION DE LA CYCLOADDITION D'OXAZOLONES MESOIONIQUES AUX ALCENES

The regioselectivity of the cycloaddition of mesoionic oxazolones to alkenes has been found to be markedly dependent on the substituent groups present and an explanation is proposed.