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1939-27-1

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1939-27-1 Usage

Description

3'-Trifluoromethylisobutyranilide, also known as 2-Methyl-N-[3-(trifluoromethyl)phenyl]propanamide, is a chemical compound that serves as a crucial intermediate in the synthesis of various pharmaceuticals. It is characterized by its unique molecular structure, which includes a trifluoromethyl group attached to a phenyl ring, and an isobutyranilide side chain. 3'-Trifluoromethylisobutyranilide is known for its potential applications in the development of medications, particularly in the field of oncology.

Uses

Used in Pharmaceutical Synthesis:
3'-Trifluoromethylisobutyranilide is used as a key reagent for the synthesis of Flutamide (F598850), an oral nonsteroidal antiandrogen. Flutamide is primarily utilized in the treatment of patients with prostate cancer. The compound's unique structure allows for the development of medications that can effectively target androgen receptors, thereby inhibiting the growth of cancer cells.
Used in Oncology:
In the field of oncology, 3'-Trifluoromethylisobutyranilide plays a significant role in the development of antiandrogen drugs like Flutamide. These drugs are specifically designed to treat prostate cancer by blocking the action of androgens, which are hormones that promote the growth of prostate cancer cells. By inhibiting the androgen receptors, Flutamide can help slow down or stop the progression of the disease, providing a valuable treatment option for patients.
Used in Drug Development:
3'-Trifluoromethylisobutyranilide is also used in the research and development of new drugs with potential applications in various therapeutic areas. Its unique chemical properties make it an attractive candidate for the design and synthesis of novel compounds with improved pharmacological profiles. This can lead to the discovery of more effective and safer medications for a wide range of diseases, including cancer and other conditions.

Check Digit Verification of cas no

The CAS Registry Mumber 1939-27-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,3 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1939-27:
(6*1)+(5*9)+(4*3)+(3*9)+(2*2)+(1*7)=101
101 % 10 = 1
So 1939-27-1 is a valid CAS Registry Number.
InChI:InChI=1/C11H12F3NO/c1-7(2)10(16)15-9-5-3-4-8(6-9)11(12,13)14/h3-7H,1-2H3,(H,15,16)

1939-27-1Synthetic route

3-trifluoromethylnitrobenzene
98-46-4

3-trifluoromethylnitrobenzene

isobutyric Acid
79-31-2

isobutyric Acid

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

Conditions
ConditionsYield
With sodium sulfite for 16h; Reflux;95%
With iron for 4h; Reflux; Inert atmosphere;81%
ISOPROPYLAMIDE
563-83-7

ISOPROPYLAMIDE

m-trifluoromethylphenyl iodide
401-81-0

m-trifluoromethylphenyl iodide

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

Conditions
ConditionsYield
With cobalt(II) oxalate dihydrate; caesium carbonate; N,N`-dimethylethylenediamine In water at 130℃; for 24h; Green chemistry;60%
3-trifluoromethylaniline
98-16-8

3-trifluoromethylaniline

isobutyric Acid
79-31-2

isobutyric Acid

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

Conditions
ConditionsYield
Stage #1: isobutyric Acid With 4-methyl-morpholine; 1,3,5-trichloro-2,4,6-triazine In dichloromethane at 0 - 5℃; for 5h;
Stage #2: 3-trifluoromethylaniline In dichloromethane at 20℃; for 3h;
20.0 g
α,α,α-trifluorotoluene
98-08-8

α,α,α-trifluorotoluene

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid; nitric acid / 3 h / 20 °C
2: iron / 4 h / Reflux; Inert atmosphere
View Scheme
Flutamide
13311-84-7

Flutamide

isopropyl alcohol
67-63-0

isopropyl alcohol

A

2,3-dimethyl-2,3-butane diol
76-09-5

2,3-dimethyl-2,3-butane diol

B

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

Conditions
ConditionsYield
Irradiation; High pressure;
Flutamide
13311-84-7

Flutamide

isopropyl alcohol
67-63-0

isopropyl alcohol

A

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

B

1-methylethyl 2-amino-5-(2-methylpropanamido)benzoate

1-methylethyl 2-amino-5-(2-methylpropanamido)benzoate

C

2-methyl-N-[4-amino-3-(trifluoromethyl)phenyl]propanamide
39235-51-3

2-methyl-N-[4-amino-3-(trifluoromethyl)phenyl]propanamide

D

2-methyl-N-[4-hydroxy-3-(trifluoromethyl)phenyl]propanamide

2-methyl-N-[4-hydroxy-3-(trifluoromethyl)phenyl]propanamide

Conditions
ConditionsYield
With oxygen Irradiation; High pressure;
Flutamide
13311-84-7

Flutamide

A

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

B

2-methyl-N-[4-amino-3-(trifluoromethyl)phenyl]propanamide
39235-51-3

2-methyl-N-[4-amino-3-(trifluoromethyl)phenyl]propanamide

C

2-methyl-N-[4-hydroxy-3-(trifluoromethyl)phenyl]propanamide

2-methyl-N-[4-hydroxy-3-(trifluoromethyl)phenyl]propanamide

Conditions
ConditionsYield
With oxygen In acetonitrile Irradiation; High pressure;
2-Methylpropionic anhydride
97-72-3

2-Methylpropionic anhydride

3-trifluoromethylaniline
98-16-8

3-trifluoromethylaniline

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

Conditions
ConditionsYield
Stage #1: 2-Methylpropionic anhydride; 3-trifluoromethylaniline In hexane at 45℃; for 1.5h;
Stage #2: With sodium hydroxide In hexane; water at 50 - 70℃; for 0.25h;
2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide
1939-27-1

2-methyl-N-[3-(trifluoromethyl)phenyl]propionamide

Flutamide
13311-84-7

Flutamide

Conditions
ConditionsYield
With sulfuric acid; nitric acid at -5℃; for 3h;83.3%
With sulfuric acid; nitric acid at 0 - 5℃; for 3h;79%
With 3-(ethoxycarbonyl)-1-(5-methyl-5-(nitrosooxy)hexyl)pyridin-1-ium bis(trifluoromethanesulfonyl)imide at 20℃; for 5h; Ionic liquid;69%

1939-27-1Downstream Products

1939-27-1Relevant articles and documents

Comparison of photoreactions of flutamide in acetonitrile and 2-propanol solvents in the absence of cage-forming compounds

Watanabe, Yurie,Fukuyoshi, Shuichi,Oda, Akifumi

, p. 55 - 61 (2015)

Flutamide(2-methyl-N-[4-nitro-3-(trifluoromethylphenyl)]propanamide) is a widely used anti-cancer drug. It has been reported that photodermatosis is occasionally induced when an individual taking flutamide is exposed to sunlight. In this study, we found that flutamide undergoes different photoreactions in two different solvents: acetonitrile and 2-propanol. The photo-induced nitro-nitrite rearrangement was the predominant reaction when a flutamide solution in acetonitrile was irradiated with UV light, and phenoxy radicals and nitrogen monoxide were generated. The nitrogen monoxide recombined with the phenoxy radical at the ortho position and was oxidized by the oxygen dissolved in the acetonitrile. The final product was o-nitrophenol derivative. However, the photoreduction of the nitro group followed by solvolysis of the trifluoromethyl group was observed when a flutamide solution in 2-propanol was irradiated with UV light. The three fluorine atoms in the trifluoromethyl group were eliminated by being nucleophilically attacked by a solvent molecule, resulting in an ester bond with 2-propanol being formed.

Mild and Efficient Cobalt-Catalyzed Cross-Coupling of Aliphatic Amides and Aryl Iodides in Water

Tan, Bryan Yong-Hao,Teo, Yong-Chua

supporting information, p. 1697 - 1701 (2015/07/20)

A convenient protocol for the C-N cross-coupling of aliphatic amides and iodobenzene is demonstrated using a simple and inexpensive Co(C2O4)·2H2O/N,N′-dimethylethylenediamine (DMEDA) catalytic system in water. Good yields of N-arylated products were isolated (up to 85%) and the protocol has been successfully applied to the synthesis of the anticancer drug, flutamide.

A novel method for synthesis of flutamide on the bench-scale

Ghaffarzadeh, Mohammad,Rahbar, Sahar

, p. 200 - 201 (2014/05/06)

Flutamide has been synthesised conveniently in high yields and by an economically beneficial method. Benzotrifluoride was first nitrated and the product was reduced and acylated in one pot in the presence of iron powder and isobutyric acid to produce 3-trifluoroisobutyranilide. Finally, flutamide was produced by further nitration.

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