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2 phương pháp nghiền amino benzo f chromene

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2 Amino Benzo F Chromene Grinding Method

2 Amino Benzo F Chromene Grinding Method. A series of 2-amino-4-aryl-5,6-dihydro-4H-pyrano3,2-cquinolin-5-one-3-carboxylate deriva- tives were synthesized by the reaction of arylaldehyde, cyanoacetate and 4-hydroxyl-1,2-dihydroquinolin- 2-one catalyzed by KF-Al2O3 in ethyl alcohol at 80 .
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Ethyl 2-amino-4-(2,4-di­chloro­phenyl)-4H-benzo­[f ...

The title compound, C22H17Cl2NO3, was synthesized by the reaction of 2-naphthol with 2,4-di­chloro­benz­aldehyde and ethyl cyano­acetate in ethanol in the presence of KF/Al2O3 as catalyst. X-ray analysis reveals that the pyran ring adopts a boat conformation. In the crystal structure, the amino group is involved in both intra- and intermolecular N—H⋯O hydrogen bonds.
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2 Amino Benzo F Chromene Grinding Method

2 Amino Benzo F Chromene Grinding Method. Ball milling for the quantitative and specific solvent-free knoevenagel condensation michael addition cascade in the synthesis of various 2-amino-4-aryl-3-cyano-4 h-chromenes without heating. omid hosseinchi qareaghaj a, sara mashkouri a, ...
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2 amino benzo f chromene grinding method - Mechanic

2 amino benzo f chromene grinding method. The reaction of racemic 2-amino-4H-pyrans, such as 3-amino-1-aryl-1H-benzo[f]chromene-2-carbonitriles, with N-bromosuccinimide (NBS), in CH2 Cl2, at room temperature, is a very quick, regio, stereoselective, and high yielding process, affording major racemic (1S,2S)-2-bromo-3-imino-benzo[f]chromene or racemic (1S,2S)-2 …
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3-AMINO-1-(4-CHLORO-PHENYL)-1H-BENZO(F)CHROMENE-2 ...

3-AMINO-1-(4-CHLORO-PHENYL)-1H-BENZO(F)CHROMENE-2-CARBONITRILE AldrichCPR; Linear Formula: C20H13ClN2O; find -R424048 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich
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2-Amino-3-cyano-4H-benzo[f]chromene | C14H10N2O - PubChem

2-Amino-3-cyano-4H-benzo[f]chromene | C14H10N2O | CID 139224286 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
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2 amino benzo f chromene grinding method - ZENINH

2 Amino Beno F Chromene Grinding MethodA simple,e cient and one-pot methodhas been developed for the synthesis of densely functionalized aryl derivatives of2-amino-3-cyano-7-hydroxy-4H-chromeneby the domino Knoevenagel-Michael-cyclization reactions of aromatic aldehydes, resorcinol and malononitrile in the presence of a catalytic amount of Na2CO3 …
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Synthesis of novel benzo[f]chromene compounds catalyzed by ...

Abstract A facile method for the synthesis of benzo[f]chromene derivatives is reported. The procedure involves a novel three-component reaction of 1-naphthol or 2-naphthol, acetophenone derivatives and triethyl orthobenzoate in the presence of silica supported ionic liquid [pmim]HSO4 SiO2 [silica supported 1-methyl-3-(triethoxysilylpropyl)imidazolium hydrogensulfate] as an …
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3-amino-1H-benzo[f]chromene-2-carbonitrile | 14 ...

3-amino-1H-benzo[f]chromene-2-carbonitrile | 14 C14H10N2O structure,synthetic routes, physical and chemical properties, safety information, toxicity, customs data,maps, MSDS, generation methods and uses, and 3-amino-1H-benzo[f]chromene-2-carbonitrile'supstream and downstream products.
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Halogenated 2-amino-4H-benzo[h]chromene derivatives as ...

Several halogenated 2-amino-4H-benzo[h]chromene derivatives were synthesized and evaluated their cytotoxicity. The structures of the synthesized compounds were established on the basis of spectral data. The in vitro antitumor activity of the synthesized compounds against the cell lines MCF-7, HCT-116, and HepG-2 was investigated in comparison with the reference …
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3-amino-1H-benzo[f]chromene-2-carbonitrile_(14 ...

3-amino-1H-benzo[f]chromene-2-carbonitrile (14), Wholesale Various High Quality 3-amino-1H-benzo[f]chromene-2-carbonitrile (14) Products from Global Sodium Tripolyphosphate Suppliers and 3-amino-1H-benzo[f]chromene-2-carbonitrile (14) Factory,Importer,Exporter at Okchem.
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2 amino benzo f chromene grinding method

Scheme 2: The proposed mechanism for the synthesis of 3-amino-1-phenyl-1H-benzo[f]chromene-2-carbonitrile in under grinding catalyzed by 1,4-diazabicyclo[2.2.2]octane (DABCO). Click here to View Scheme. Read More. grinding automotive part.
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「2 amino benzo f chromene classifier method」

2 amino benzo f chromene classifier method. Mineral Products. Microwaveassisted practical synthesis of 4imino3phenyl3 . For the second step, transformation of the 2imino2H[1]benzopyran3carbonitrile 3(af) into 2amino4H1chromene3carbonitrile 4(af) could be readily accomplished in good yields ...
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Crystal structure of 3-amino-1-(4-meth-oxy-phen-yl)-1H ...

In the title compound, C21H16N2O2, the meth-oxy-benzene ring is almost perpendicular to the mean plane of the naphthalene ring system, making a dihedral angle of 83.62 (5)°. The 4H-pyran ring fused with the naphthalene ring system is almost planar [maximum deviation = 0.033 (1) Å]. In the crystal, m …
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(PDF) New synthesis of 3-amino-1H-benzo[f]chromene-2 ...

New synthesis of 3-amino-1H-benzo[f]chromene-2-carbonitriles. Russian Journal of Organic Chemistry, 2013. Yuri Klimochkin. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper.
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One-step synthesis of substituted 2-amino-4H-chromenes and ...

Substituted 2-aminochromenes were synthesized by three-component condensation of aromatic aldehydes, derivatives of cyanoacetic acid, and phenols or naphthols. The molecular and crystal structure of 2-amino-3-cyano-6-hydroxy-4-phenyl-4H-benzo[f]chromene was established by X-ray diffraction analysis.
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(1R)-3-Amino-1-(2-methylphenyl)-1H-benzo[f]chromene-2 ...

(1R)-3-Amino-1-(2-methylphenyl)-1H-benzo[f]chromene-2-carbonitrile | C21H16N2O | CID 968507 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
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3-amino-1-phenyl-1H-benzo[f]chromene-2-carbonitrile|111861 ...

3-amino-1-phenyl-1H-benzo[f]chromene-2-carbonitrile|11 or C20H14N2O structure,synthetic routes,physical and chemical properties,safety information,customs data,MSDS,generation methods and uses,and 3-amino-1-phenyl-1H-benzo[f]chromene-2-carbonitrile's upstream and downstream products.
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(PDF) 3-Amino-1-phenyl-1 H -benzo[ f ]chromene-2 ...

3-Amino-1-phenyl-1 H -benzo[ f ]chromene-2-carbonitrile. Acta Crystallographica Section E Structure Reports Online, 2013. Shaaban K Mohamed. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 …
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N,N-diethylspiro[benzo[f]chromene-3,2'-chromene]-7'-amine

Get to learn about N,N-diethylspiro[benzo[f]chromene-3,2'-chromene]-7'-amine. The overall knowledge and encyclopedia of N,N-diethylspiro[benzo[f]chromene-3,2'-chromene]-7'-amine covering characteristics, safety, usage, MSDS/SDS and more.