5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester

Base Information

Chemical Name:5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester
CAS No.:158615-45-3
Molecular Formula:C₁₉H₁₉N₃O₇S
Molecular Weight:433.442
Hs Code.:

Synonyms:5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester

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Chemical Property of 5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester

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Technology Process of 5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester

There total 4 articles about 5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.0%

: 908094-04-2
phenyldiazomethane

: 54972-12-2
dimethyl 2-((tosyloxy)imino)malonate

: 158615-45-3
5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester

Guidance literature:: In diethyl ether; dichloromethane; at -20 ℃; for 96h;

Reference yield:

: 42937-74-6
dimethyl 2-(hydroxyimino)malonate

: 158615-45-3
5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 84 percent / pyridine / 10 °C

2: 90 percent / CH₂Cl₂; diethyl ether / 96 h / -20 °C

With pyridine; In diethyl ether; dichloromethane;

Reference yield:

: 108-59-8
malonic acid dimethyl ester

: 158615-45-3
5-Phenyl-3-(toluene-4-sulfonyloxy)-3,5-dihydro-[1,2,3]triazole-4,4-dicarboxylic acid dimethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / NaNO₂, H₂SO₄ / H₂O / 40 deg C, 1 h then r.t., overnight

2: 84 percent / pyridine / 10 °C

3: 90 percent / CH₂Cl₂; diethyl ether / 96 h / -20 °C

With pyridine; sulfuric acid; sodium nitrite; In diethyl ether; dichloromethane; water;