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11-Phenyldibenzo[b,f][1,4]thiazepine is a chemical compound with the molecular formula C20H15NS. It is a derivative of dibenzo[b,f][1,4]thiazepine, a tricyclic heterocycle consisting of two benzene rings fused to a thiazine ring. 11-phenyldibenzo[b,f][1,4]thiazepine features a phenyl group attached at the 11th position, which significantly influences its chemical properties and potential applications. Due to its unique structure, 11-phenyldibenzo[b,f][1,4]thiazepine may have potential uses in pharmaceuticals, agrochemicals, or as a building block in the synthesis of more complex molecules. However, further research and characterization are needed to fully understand its properties and potential applications.

1489-21-0

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1489-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1489-21-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,8 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1489-21:
(6*1)+(5*4)+(4*8)+(3*9)+(2*2)+(1*1)=90
90 % 10 = 0
So 1489-21-0 is a valid CAS Registry Number.

1489-21-0Downstream Products

1489-21-0Relevant academic research and scientific papers

Asymmetric Hydrogenation of Seven-Membered C=N-containing Heterocycles and Rationalization of the Enantioselectivity

Balakrishna, Bugga,Bauzá, Antonio,Frontera, Antonio,Vidal-Ferran, Anton

, p. 10607 - 10613 (2016/07/21)

Iridium(I) complexes with phosphine–phosphite ligands efficiently catalyze the enantioselective hydrogenation of diverse seven-membered C=N-containing heterocyclic compounds (eleven examples; up to 97 % ee). The P-OP ligand L3, which incorporates an ortho

Microwave-assisted synthesis of substituted dibenzo[b,f][1,4]thiazepines, dibenzo[b,f][1,4]oxazepines, benzothiazoles, and benzimidazoles

Lin, Yu-Chin,Li, Ni-Ching,Cherng, Yie-Jia

, p. 808 - 814 (2014/06/10)

A highly efficient synthesis for possessing 7-membered rings with two heteroatoms is described, using efficient microwave-assisted one-pot method to synthesize (substituted) dibenzo[b,f][1,4]thiazepines [1] and dibenzo[b,f][1,4]oxazepines [2] in high yields (up to 99%) by cyclocondensations of o-aminothiophenol or o-aminophenol with o-halobenzaldehydes, o-fluoroacetophenone, and o-fluorobenzophenone. In the absence of base, o-aminothiophenol reacted with o-halobenzaldehydes to afford benzothiazoles.

New method for the preparation of dibenzo[b,f][1,4]thiazepines

Fujii, Takayoshi,Hao, Wei,Yoshimura, Toshiaki

, p. 246 - 250 (2007/10/03)

The S-amination of 9H-thioxanthen-9-ol (2a) and 9-substituted derivatives 2b-e (Me (b), Et (c), iPr (d), Ph (e)) with O- mesitylenesulfonylhydroxylamine (MSH) was carried out. The expected product, 10-amino-9-hydroxy-9-isopropyl-9H-thioxanthenium mesitylenesulfonate (3d), was obtained in 78% yield from the corresponding thioxanthen-9-ol 2d. However, in the case of 2a-c and 2e the reaction led instead to dibenzo[b, f][1,4]thiazepines 6a-c and 6e in moderate yields.

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