cas 207290-72-0, 5-(4-Hydroxypiperidino)-2-thiophenecarbaldehyde

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Efficient synthesis of N,N-disubstituted 5-aminothiophene-2-carboxaldehydes by nucleophilic aromatic substitution in water
We have developed the first synthesis of N,N-disubstituted 5-aminothiophene-2-carboxaldehydes by Nucleophilic Aromatic Substitution of 5-bromothiophene-2-carboxaldehyde in water. This study shows selectivity between primary and secondary amines leading to
Prim, Damien,Kirsch, Gilbert,Nicoud, Jean-Francois
p. 383 - 384
(1998)
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A facile synthesis of 5-N, N-bis(2-hydroxyethyl)amino-2- thiophenecarboxaldehyde
Amination of 5-bromo-2-thiophenecarboxaldehyde with an acyclic secondary amine - bis(2-methoxyethyl)amine was effected by using weak base sodium bicarbonate. The resulting 5-N,N-bis(2- methoxyethyl)amino-2-thiophenecarboxaldehyde was treated with boron tribromide to give 5-N,N-bis(2-hydroxyethyl)amino-2- thiophenecarbox-aldehyde.
Zhang, Cheng,Harper, Aaron W.,Spells, Darrell S.,Dalton, Larry R.
p. 1359 - 1364
(2000)
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Synthesis of high molar extinction coefficient push-pull tricyanofuran-based disperse dyes: Biological activity and dyeing performance
Several push-pull tricyanofuran-based disperse dyes with high molar extinction coefficient were synthesized and fully characterized. The dyes were preparedviaKnoevenagel reaction in dry pyridine under ambient conditions employing acetic acid as catalyst. The condensation process was carried out between the reactive methyl-bearing tricyanofuran moiety and tertiary amine-based arylaldehyde. The molecular structures of the synthesized chromophores were proved by Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance spectroscopy (1H and13C NMR) and elemental analysis (C, H, N). The UV-Vis absorbance spectra of the synthesized dyes demonstrated interesting extinction coefficient values, which were found to be influenced by the aromatic-vinyl bridge and the tertiary amine donor group bonded to this aromatic-vinyl bridge moiety. The prepared tricyanofuran-based disperse colorants were dyed on polyester fabrics to afford satisfactory results. The substituents attached to the tertiary amine moiety influenced the absorption maxima. The fastness properties of the dyed polyester samples were measured. The biological activities of the synthesized dyestuffs against fungus (Candida Albican) as well as Gram-positive (S. Aureus) and Gram-negative (E. Coli) pathogens were also evaluated.
Aldalbahi, Ali,Periyasami, Govindasami,Alrehaili, Abdulaziz
supporting information
p. 2208 - 2216
(2021/02/06)

ABCG2 INHIBITOR
The present invention relates to a breast cancer resistance protein (BCRP/ABCG2) inhibitor. The invention provides an acrylonitrile derivative represented by formula (1): (wherein A represents an optionally substituted 3- to 8-membered heterocyclic ring)
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Page/Page column 7-8

(2010/08/22)

BCRP/ABCG2 INHIBITOR
The present invention is directed to a breast cancer resistance protein (BCRP/ABCG2) inhibitor. The BCRP inhibitor contains, as an active ingredient, an acrylonitrile derivative represented by formula (1): wherein one of R1 and R2 re
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Page/Page column 13

(2008/06/13)

Chemical Properties

Melting Point: 137-139 °C
Boiling Point: 417.8 °C at 760 mmHg
Flash Point:206.5 °C
Density: 1.321 g/cm³
Storage Temp.:Keep in dark place,Inert atmosphere,Room temperature
Vapor Pressure: 9.97E-08mmHg at 25°C
Refractive Index: 1.642
PKA: 14.77±0.20(Predicted)
PSA: 68.78000
LogP: 1.58670

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Chemical Properties

Melting Point: 137-139 °C

Boiling Point: 417.8 °C at 760 mmHg

Flash Point:206.5 °C

Density: 1.321 g/cm³

Storage Temp.:Keep in dark place,Inert atmosphere,Room temperature

Vapor Pressure: 9.97E-08mmHg at 25°C

Refractive Index: 1.642

PKA: 14.77±0.20(Predicted)

PSA: 68.78000

LogP: 1.58670

Global suppliers and manufacturers of 207290-72-0total 36 suppliers on LookChem

Article Database

207290-72-0

Articles about 207290-72-0Total 5 be found

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Chemical Properties

Melting Point: 137-139 °C

Boiling Point: 417.8 °C at 760 mmHg

Flash Point:206.5 °C

Density: 1.321 g/cm3

Storage Temp.:Keep in dark place,Inert atmosphere,Room temperature

Vapor Pressure: 9.97E-08mmHg at 25°C

Refractive Index: 1.642

PKA: 14.77±0.20(Predicted)

PSA: 68.78000

LogP: 1.58670

Global suppliers and manufacturers of 207290-72-0total 36 suppliers on LookChem

Density: 1.321 g/cm³