164650-44-6

  • Product Name:Efinaconazole
  • Structural Formula:C18H22F2N4O
  • Purity:99%
  • Molecular Weight:348.39904
Inquiry

Product Details

 

  • Molecular Formula:C18H22F2N4O
  • Molecular Weight:348.39904
  • Boiling Point:512.2±60.0 °C(Predicted) 
  • PKA:12.11±0.29(Predicted) 
  • PSA:54.18000 
  • Density:1.26±0.1 g/cm3(Predicted) 
  • LogP:2.42250 

164650-44-6 Relevant articles

Identification, synthesis, and control of efinaconazole impurities

Zhu, Fuqiang,Zhang, Jian,Xiamuxi, Hainimu,Chen, Weiming,Hu, Tianwen,Yang, Xiaojun,Tian, Guanghui,Ni, Runyan,Li, Jian,Suo, Jin,Xie, Yuanchao,Shen, Jingshan,Aisa, Haji A.,He, Yang

, p. 438 - 441 (2018)

Impurities A-F were observed, identified...

A Facile Epoxide Aminolysis Promoted by (t-BuO)2Mg and Its Application to the Synthesis of Efinaconazole

Zhu, Fuqiang,Xie, Yuanchao,Zhang, Jian,Tian, Guanghui,Qin, Hongjian,Yang, Xiaojun,Hu, Tianwen,He, Yang,Aisa, Haji A.,Shen, Jingshan

, p. 625 - 632 (2018)

A novel and efficient method for the ami...

Asymmetric Catalytic Epoxidation of Terminal Enones for the Synthesis of Triazole Antifungal Agents

Feng, Xiaoming,He, Qianwen,Liu, Xiaohua,Zhang, Dong,Zhang, Fengcai

supporting information, p. 6961 - 6966 (2021/09/11)

An enantioselective epoxidation of α-sub...

PREPARATION METHOD FOR EFINACONAZOLE

-

Paragraph 0031-0048, (2021/11/26)

The present invention provides a prepara...

NOVEL METHOD FOR PREPARATION OF EPOXYTRIAZOLE DERIVATIVES

-

Paragraph 0109-0110; 0119-0121, (2021/04/13)

The present invention relates to novel p...

METHOD FOR PREPARATION OF EFINACONAZOLE IN IONIC LIQUID MEDIUM

-

Paragraph 0079; 0095-0102, (2021/01/29)

The present invention relates to a novel...

164650-44-6 Process route

4-methylene piperidine
148133-82-8

4-methylene piperidine

1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole
124627-86-7,132563-70-3,132563-77-0,135270-07-4,135270-10-9,135270-13-2,141611-70-3,127000-90-2

1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole

(2R,3R)-2-(2,4-difluorophenyl)-3-(4-methylenepiperidine-1-yl)-1-(1H-1,2,4-triazole-1-yl)-butane-2-ol
164650-45-7,164650-44-6

(2R,3R)-2-(2,4-difluorophenyl)-3-(4-methylenepiperidine-1-yl)-1-(1H-1,2,4-triazole-1-yl)-butane-2-ol

Conditions
Conditions Yield
With strontium perchlorate hydrate; In acetonitrile; at 90 ℃; for 1.5h; Reagent/catalyst; Solvent; Temperature;
98%
In ethanol; at 120 ℃; for 6h; enantioselective reaction; Inert atmosphere; Microwave irradiation;
90%
In ethanol; at 120 ℃; for 6h; Microwave irradiation;
84%
4-methylene piperidine; With lithium hydroxide; In acetonitrile; for 0.25h;
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; With potassium iodide; In acetonitrile; Reflux;
75.8%
4-methylene piperidine; 1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; With lithium bromide; In acetonitrile;
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; In acetonitrile; for 24h; Reflux;
72.46%
In ethanol; water; at 85 ℃; for 24h;
54%
With zinc(II) chloride; In tert-Amyl alcohol; for 24h; Reagent/catalyst; Reflux;
1 g
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole
124627-86-7,132563-70-3,132563-77-0,135270-07-4,135270-10-9,135270-13-2,141611-70-3,127000-90-2

1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole

4-methylenepiperidine monohydrochloride
144230-50-2

4-methylenepiperidine monohydrochloride

(2R,3R)-2-(2,4-difluorophenyl)-3-(4-methylenepiperidine-1-yl)-1-(1H-1,2,4-triazole-1-yl)-butane-2-ol
164650-45-7,164650-44-6

(2R,3R)-2-(2,4-difluorophenyl)-3-(4-methylenepiperidine-1-yl)-1-(1H-1,2,4-triazole-1-yl)-butane-2-ol

Conditions
Conditions Yield
4-methylenepiperidine monohydrochloride; With sodium hydroxide; In acetonitrile; at 25 ℃; for 0.5h;
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; With lithium iodide; In acetonitrile; at 85 ℃; for 5h; Reagent/catalyst;
96%
With potassium iodide; lithium hydroxide; In acetonitrile; for 8h; Reagent/catalyst; Solvent; Reflux;
87.8%
With potassium hydroxide; lithium bromide; In acetonitrile; at 85 - 90 ℃; for 20h; Reagent/catalyst; Solvent; Large scale;
86.91%
With N-ethyl-N,N-diisopropylamine; magnesium chloride; In acetonitrile; at 0 - 75 ℃; for 16h; Reagent/catalyst; Temperature; Solvent;
84%
4-methylenepiperidine monohydrochloride; With potassium hydroxide; In water; at 23 - 28 ℃; for 2h;
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; With 1-ethyl-3-methylimidazol-3-ium ethyl sulfate; at 100 ℃; for 6h; Temperature;
80%
4-methylenepiperidine monohydrochloride; With potassium hydroxide; In water; at 23 - 28 ℃; for 2h;
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; With water; 1-ethyl-3-methylimidazol-3-ium ethyl sulfate; at 100 ℃; for 6h;
80%
With potassium hydroxide; sodium chloride; In ethanol; hexane; ethyl acetate;
 
4-methylenepiperidine monohydrochloride; With water; lithium carbonate; lithium bromide; In ethanol; at 0.25 - 30 ℃; for 72h; Reflux;
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; In ethanol; for 72h; Solvent; Reagent/catalyst; Temperature; Reflux;
 
4-methylenepiperidine monohydrochloride; With sodium hydroxide; In dichloromethane; at 0 - 5 ℃; for 1h;
1-(((2R,3S)-2-(2,4-difluorophenyl)-3-methyloxiran-2-yl)-methyl)-1H-1,2,4-triazole; With lithium bromide; In acetonitrile; at 20 - 100 ℃; Solvent;
 

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