(E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol

Base Information

Chemical Name:(E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol
CAS No.:948057-05-4
Molecular Formula:C₁₈H₁₁ClF₃NO₃
Molecular Weight:381.738
Hs Code.:

Synonyms:(E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol

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Chemical Property of (E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol

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Technology Process of (E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol

There total 4 articles about (E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol 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: 85.0%

: 873-73-4
4-n-chlorophenylacetylene

: 948056-89-1
(Z)-1,1,1-trifluoro-3-iodo-4-(4-nitrophenyl)but-3-en-2-ol

: 948057-05-4
(E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol

Guidance literature:: With copper(l) iodide; triethylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; at 40 - 50 ℃; for 12h;
DOI:10.1002/ejoc.200700280

Reference yield:

: 948056-79-9
1,1,1-trifluoro-3-iodo-4-(4-nitrophenyl)but-3-en-2-one

: 948057-05-4
(E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol

Guidance literature:: Multi-step reaction with 2 steps

1: 100 percent / CeCl₃*7H₂O; NaBH₄ / methanol / 0.5 h

2: 85 percent / CuI; triethylamine / Pd(PPh₃)4 / 12 h / 40 - 50 °C

With sodium tetrahydroborate; copper(l) iodide; cerium(III) chloride; triethylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In methanol; 2: modified Sonogashira coupling;
DOI:10.1002/ejoc.200700280

Reference yield:

: 555-16-8
4-nitrobenzaldehdye

: 948057-05-4
(E)-3-[2-(4-chlorophenyl)ethynyl]-1,1,1-trifluoro-4-(4-nitrophenyl)but-3-en-2-ol

Guidance literature:: Multi-step reaction with 4 steps

1.1: LDA; CH₃P(O)(OEt)2 / tetrahydrofuran; hexane / 1 h / -70 °C

1.2: tetrahydrofuran; hexane / 2 h / -60 - 20 °C

1.3: 81 percent / aq. HCl / tetrahydrofuran; hexane / 4 h / 20 °C

2.1: 55 percent / iodine / CCl₄; pyridine / 48 h / 20 °C

3.1: 100 percent / CeCl₃*7H₂O; NaBH₄ / methanol / 0.5 h

4.1: 85 percent / CuI; triethylamine / Pd(PPh₃)4 / 12 h / 40 - 50 °C

With sodium tetrahydroborate; copper(l) iodide; cerium(III) chloride; iodine; triethylamine; lithium diisopropyl amide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; pyridine; methanol; tetrachloromethane; hexane; 4.1: modified Sonogashira coupling;
DOI:10.1002/ejoc.200700280