The reaction of 2-amino-4H-pyrans with N-bromosuccinimide ... extended to isomeric 2-amino-4-aryl-4H-benzo[h]chromene-3-carbonitriles, ... by computational methods.

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Attractive features of the method are the simple procedure, ... 2-amino-3-cyano-1-aryl-1H-benzo[f]chromenes, respectively ... 1H-benzo[f]chromene

Base Complex as Magnetic Nanocatalyst for Synthesis of 2-Amino-4H-benzo ... synthesis 2-amino-4H-benzo[h]chromenes. MATERIALS AND METHODS ... -4H-benzo[h] chromene ...

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Among different types of chromene systems, 2-amino-4H-chromenes are of ... The grinding method for the solid-state ... -1H-benzo[f]chromene-2 ...

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Owing to the importance of 2-amino-4H-benzo[g]chromene ... we concentrated our study to developing green novel synthetic methods for the preparation of benzo ...

Solvent-free cascade assembling of … relevant 2-amino-4H-chromene scaffold Michail N. Elinson • Ruslan F. Nasybullin ... plished by grinding in a mortar (method B ...

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Crystal structure of 3-amino-9-methoxy-1-phenyl-1H-benzo[f]chromene-2-carbonitrile, C21H16N2O2. ... method and a list of the atoms ... antitumor activity of 2-amino-4 ...

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naphthalene-1,4-dione derivatives ... Abstract An efficient and green method for the synthesis of 2-amino-3 ... benzo[g]chromene and hydroxyl naphthalene-1,4-dione ...

This method offers the ... rather than the angular 2-amino-4-aryl-3-cyano-4 H-benzo[f] ... This now safely validates the angular -4 H-benzo[f]chromene structures of ...

[DBU][Ac] Catalyzed One Pot Synthesis of Chromenes -… pdf. convenient method for the synthesis of dihydropyrano[3,2-c]chromene and tetrahydrobenzo[b]pyran ...

article introduces a green chemistry method to synthesize 2-amino-4H-chromenes that reduces or eliminates the use ... 2-amino-4-phenyl-4H-benzo[f]chromene-3-carbonitrile

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2-Amino-4H-benzochromenes have been of ... [F] Chromene Derivatives in Under Grinding as An ... benzo[f]chromene -2-carbonitrile, mp: ...

Journal of Heterocyclic Chemistry. Volume ... Utility of the present method has been also demonstrated by the synthesis ... 2-Amino-3-cyano-4H-benzo[f]chromene (3s) ...

Clean chemical synthesis of 2-amino-chromenes in water catalyzed by- 2-amino benzo f chromene grinding method ,K 5) Grinding 6) Heating at 873 K 7) Grinding …

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2-amino benzo f chromene grinding method. Predictive QSAR workflow for the in silico identification and predicting HDAC inhibition by 5-pyridin-2-yl-thiophene-2- ...

In the title mol-ecule, C(21)H(15)FN(2)O(2), the dihedral angle between the fluoro-substituted benzene ring and the mean plane of the 4H-benzo[h]chromene …

Method of grinding a hydraulic cement , (S/C) was 65, and the temperature of grinding was 220° F , A method comprising grinding a hydraulic cement, . Binary ...