(R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile

Base Information

Chemical Name:(R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile
CAS No.:205251-18-9
Molecular Formula:C₁₄H₁₇NOS
Molecular Weight:247.361
Hs Code.:

Synonyms:(R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile

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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 (R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile

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Technology Process of (R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile

There total 7 articles about (R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile 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: 62.0%

: 7677-24-9
trimethylsilyl cyanide

: 205251-14-5
(S)-3,3-dimethyl-1-butynyl p-tolyl sulfoxide

: 205251-18-9
(R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile

Guidance literature:: With potassium cyanide; 18-crown-6 ether; In dichloromethane; at 0 ℃; for 21h;
DOI:10.1021/jo9721002

Reference yield: 30.0%

: 5804-85-3
diethylaluminium cyanide

: 205251-14-5
(S)-3,3-dimethyl-1-butynyl p-tolyl sulfoxide

: 2-Cyano-3,3-dimethyl-thiobutyric acid S-p-tolyl ester

: 205251-18-9
(R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile

Guidance literature:: In toluene; at -20 ℃; for 2h;
DOI:10.1021/jo9721002

Reference yield:

: 917-92-0
3,3-Dimethylbut-1-yne

: 205251-18-9
(R,Z)-2-t-butyl-4-[(R)-p-tolylsulfinyl]-4,5-dihydro-3H-pyrazole-3-carbonitrile

Guidance literature:: Multi-step reaction with 2 steps

1: EtMgBr / diethyl ether

2: toluene

With ethylmagnesium bromide; In diethyl ether; toluene;
DOI:10.1021/ol016481o