1489-21-0

Upstream product

• 3526-11-2 2-(benzamido)phenyl phenyl sulfide 
• 69709-73-5 N-(2-phenylsulfanyl-phenyl)-benzamidine 
• 61744-34-1 9-azido-9-phenyl-thioxanthene 
• 91-17-8 decalin 
• 6630-80-4 9-phenyl-9H-thioxanthen-9-ol 
• 156481-65-1 9-methyl-9H-thioxanthen-9-ol 
• 492-22-8 thio-xanthene-9-one 
• 6783-74-0 9H-thioxanthen-9-ol 
• 73878-53-2 9-ethyl-9H-thioxanthen-9-ol 
• 1134-94-7 2-phenylsulfanyl-aniline 
• 100-47-0 benzonitrile 
• 342-24-5 o-fluorobenzophenone 
• 137-07-5 2-amino-benzenethiol 
• 98-88-4 benzoyl chloride 

Downstream Products

• 2720-93-6 6-phenylphenanthridine 

Relevant academic research and scientific papers

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

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

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

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.