35431-71-1

Basic information

• Product Name: 3-methyl-5-oxo-4-phenyl-2,5-dihydro-1,2,3-oxadiazol-3-ium
• CAS NO: 35431-71-1
• Molecular Formula: C₉H₈N₂O₂
• Molecular Weight: 177.1794
• Mol File: 35431-71-1.mol

Chemical Properties

• CAS DataBase Reference: 3-methyl-5-oxo-4-phenyl-2,5-dihydro-1,2,3-oxadiazol-3-ium(CAS DataBase Reference)
• NIST Chemistry Reference: 3-methyl-5-oxo-4-phenyl-2,5-dihydro-1,2,3-oxadiazol-3-ium(35431-71-1)
• EPA Substance Registry System: 3-methyl-5-oxo-4-phenyl-2,5-dihydro-1,2,3-oxadiazol-3-ium(35431-71-1)

Safety Data

• Hazardous Substances Data: 35431-71-1(Hazardous Substances Data)

Upstream product

• 6939-12-4 N-methylsydnone 
• 591-50-4 iodobenzene 
• 94237-59-9 2-phenyl-2,2'-nitrosoazanediyl-bis-acetic acid 
• 28544-42-5 2-(methylamino)-2-phenylethanoic acid hydrochloride 
• 532-28-5 (RS)-mandelonitrile 
• 108-24-7 acetic anhydride 
• 74641-61-5 N-Methyl-N-nitroso-2-phenylglycin 
• 74641-60-4 2-methylamino-2-phenylacetic acid 
• 41470-36-4 α-(Methylamino)-phenylacetonitril 

Downstream Products

• 1002334-25-9 1-methyl-5-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trimethylsilyl)-1H-pyrazole 
• 1002334-24-8 1-methyl-3,5-diphenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 
• 71331-55-0 3-methyl-5-oxo-4-phenyl-2,5-dihydro-[1,2,3]thiadiazolium betaine 
• 71331-49-2 3-methyl-4-phenyl-5-thioxo-2,5-dihydro-[1,2,3]oxadiazolium betaine 
• 105994-74-9 1-methyl-5-phenylpyrazole-3,4-dicarboxylic acid 
• 105994-78-3 1-Methyl-5-phenyl-1H-pyrazole-4-carbonyl chloride 
• 105994-75-0 1-methyl-5-phenyl-1H-pyrazole-4-carboxylic acid 
• 80326-71-2 methyl 1-methyl-5-phenyl-1H-pyrazole-4-carboxylate 
• 105994-77-2 4-bromo-1-methyl-5-phenyl-1H-pyrazole 
• 3463-27-2 1-methyl-5-phenyl-1H-pyrazole 
• 53982-69-7 3-carboxymethyl-4-phenylsydnone 
• 52816-35-0 dimethyl 1-methyl-5-phenylpyrazole-3,4-dicarboxylate 
• 960-56-5 1-Methyl-3,4-diphenyl-1,4-dihydro-5H-1,2,4-triazol-5-on 
• 108592-96-7 3-tert-Butyl-1-methyl-5-phenyl-1H-1,2,4-diazaphosphol 

Relevant articles and documents

Palladium-catalysed direct arylation of sydnones

Conditions for the palladium-catalysed direct arylation of sydnones with aryl iodides and bromides are revealed. Georg Thieme Verlag Stuttgart.

Benzoyl phenyl 1-methylpyrazoles. Synthesis, characterization, and spectra

The synthesis and unequivocal characterization of all six isomers of benzoyl phenyl 1-methylpyrazole (2) are described.The isomer of 2 isolated as one of the products of the reaction of 1,1-dimethyl-1-phenacylhydrazinium bromide (1) with base was shown to be only previously reported isomer, 5-benzoyl-3-phenyl-1-methylpyrazole (2b).

PHOTOREAKTIONEN DES 3-METHYL-4-PHENYLSYDNONS

A procedure for the synthesis of 3-methyl-4-phenylsydnone (1) is given.UV. irradiation of 1 in solution generates the nitrile-imine 4 which reacts with activated C,C double bonds and with heterocumulenes to give five-membered heterocycles.In contrast to the 2H-azirines which photochemically react with the C,O double bond of phenylisocyanate, 4 adds to the C,N double bond of the latter.