1-tritylpyrazole-4-sulfonyl chloride

Base Information

Chemical Name:1-tritylpyrazole-4-sulfonyl chloride
CAS No.:1269071-57-9
Molecular Formula:C₂₂H₁₇ClN₂O₂S
Molecular Weight:408.908
Hs Code.:

Synonyms:1-tritylpyrazole-4-sulfonyl chloride

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 1-tritylpyrazole-4-sulfonyl chloride

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Technology Process of 1-tritylpyrazole-4-sulfonyl chloride

There total 5 articles about 1-tritylpyrazole-4-sulfonyl chloride 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: 80.0%

: 1269071-49-9
S-(1-tritylpyrazol-4-yl) benzenecarbothioate

: 1269071-57-9
1-tritylpyrazole-4-sulfonyl chloride

Guidance literature:: With trichloroisocyanuric acid; benzyltrimethylammonium chloride; sodium carbonate; In water; acetonitrile; at 0 ℃; for 0.333333h;
DOI:10.1016/j.tetlet.2010.12.050

Reference yield:

: C₂₂H₁₇ClN₂Zn

: 1269071-57-9
1-tritylpyrazole-4-sulfonyl chloride

Guidance literature:: With 2,4,6-trichlorophenyl chlorosulfate; In tetrahydrofuran; 2-methyltetrahydrofuran; hexane; at 0 - 20 ℃; for 2h; Inert atmosphere;
DOI:10.1021/acs.orglett.5b01540

Reference yield:

: 95162-14-4
4-bromo-1-trityl-1H-pyrazole

: 1269071-57-9
1-tritylpyrazole-4-sulfonyl chloride

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / Inert atmosphere; Cooling with acetone-dry ice

1.2: 1 h / 0 - 20 °C / Inert atmosphere

2.1: 2,4,6-trichlorophenyl chlorosulfate / tetrahydrofuran; hexane; 2-methyltetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere

With n-butyllithium; 2,4,6-trichlorophenyl chlorosulfate; In tetrahydrofuran; 2-methyltetrahydrofuran; hexane;
DOI:10.1021/acs.orglett.5b01540