5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile

Base Information

Chemical Name:5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile
CAS No.:1393119-41-9
Molecular Formula:C₁₆H₉Cl₂F₃N₂OS
Molecular Weight:405.227
Hs Code.:

Synonyms:5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile

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Chemical Property of 5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile

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Technology Process of 5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile

There total 6 articles about 5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-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:

: 557-21-1
zinc(II) cyanide

: 1393119-45-3
3-(4-bromo-5-methylthiophen-2-yl)-5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazole

: 1393119-41-9
5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile

Guidance literature:: tetrakis(triphenylphosphine) palladium⁽⁰⁾; In N,N-dimethyl-formamide; at 120 ℃; for 1h; Microwave irradiation; Sealed tube;

Reference yield:

: 13679-74-8
2-Acetyl-5-methylthiophen

: 1393119-41-9
5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile

Guidance literature:: Multi-step reaction with 5 steps

1: sodium acetate; bromine / water / 18 h / 20 °C

2: lithium hydride / tetrahydrofuran / 5 h / 60 °C

3: triethylamine; trifluoroacetic anhydride / dichloromethane / 18 h / 0 - 20 °C

4: hydroxylamine hydrochloride; sodium hydroxide / ethanol / 18 h / 20 °C

5: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide / 1 h / 120 °C / Microwave irradiation; Sealed tube

With hydroxylamine hydrochloride; bromine; sodium acetate; lithium hydride; triethylamine; trifluoroacetic anhydride; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide;

Reference yield:

: 36901-17-4
1-(4-bromo-5-methylthiophen-2-yl)ethan-1-one

: 1393119-41-9
5-{5-(3,5-dichlorophenyl)-5-(trrfluoromethyl)-4,5-dihydroisoxazol-3-yl}-2-methylthiophene-3-carbonitrile

Guidance literature:: Multi-step reaction with 4 steps

1: lithium hydride / tetrahydrofuran / 5 h / 60 °C

2: triethylamine; trifluoroacetic anhydride / dichloromethane / 18 h / 0 - 20 °C

3: hydroxylamine hydrochloride; sodium hydroxide / ethanol / 18 h / 20 °C

4: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide / 1 h / 120 °C / Microwave irradiation; Sealed tube

With hydroxylamine hydrochloride; lithium hydride; triethylamine; trifluoroacetic anhydride; sodium hydroxide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide;