4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole

Base Information

Chemical Name:4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole
CAS No.:206989-21-1
Molecular Formula:C₁₈H₁₆N₄O₂SSe
Molecular Weight:431.377
Hs Code.:

Synonyms:4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole

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Chemical Property of 4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole

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Technology Process of 4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole

There total 3 articles about 4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole 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: 60.0%

: 186581-53-3,908094-01-9,334-88-3
diazomethane

: 206988-93-4
4-Phenyl-5-((E)-2-p-tolyl-ethenesulfonyl)-[1,2,3]selenadiazole

: 206989-21-1
4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole

Guidance literature:: With triethylamine; In diethyl ether; chloroform; at -20 - -15 ℃; for 48h;
DOI:10.1080/00304949809355278

Reference yield:

: 1-Phenyl-2-((E)-2-p-tolyl-ethenesulfonyl)-ethanone

: 206989-21-1
4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole

Guidance literature:: Multi-step reaction with 3 steps

1: 81 percent / NaOAc / ethanol / 4 h / Heating

2: 68 percent / SeO₂ / acetic acid / Heating

3: 60 percent / Et₃N / CHCl₃; diethyl ether / 48 h / -20 - -15 °C

With selenium(IV) oxide; sodium acetate; triethylamine; In diethyl ether; ethanol; chloroform; acetic acid;
DOI:10.1080/00304949809355278

Reference yield:

: 206988-86-5
C₁₈H₁₉N₃O₃S

: 206989-21-1
4-Phenyl-5-(4-p-tolyl-4,5-dihydro-1H-pyrazole-3-sulfonyl)-[1,2,3]selenadiazole

Guidance literature:: Multi-step reaction with 2 steps

1: 68 percent / SeO₂ / acetic acid / Heating

2: 60 percent / Et₃N / CHCl₃; diethyl ether / 48 h / -20 - -15 °C

With selenium(IV) oxide; triethylamine; In diethyl ether; chloroform; acetic acid;
DOI:10.1080/00304949809355278