10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole

Base Information

Chemical Name:10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole
CAS No.:1126527-55-6
Molecular Formula:C₂₀H₁₅BrN₂O₂
Molecular Weight:395.255
Hs Code.:

Synonyms:10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole

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Chemical Property of 10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole

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Technology Process of 10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole

There total 2 articles about 10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 95.0%

: 122835-14-7
5-bromo-2-prop-2-ynyloxy-benzaldehyde

: 89-25-8
edaravone

: 1126527-55-6
10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole

Guidance literature:: With copper(l) iodide; triethylamine; In 2,2,2-trifluoroethanol; at 20 ℃; for 0.166667h; Solvent; Reagent/catalyst;
DOI:10.1007/s13738-014-0521-8

Reference yield:

: 1761-61-1
5-bromosalicyclaldehyde

: 1126527-55-6
10-bromo-1-methyl-3-phenyl-3,11b-dihydro-6H-chromeno[4',3':4,5]pyrano[2,3-c]pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: potassium carbonate / N,N-dimethyl-formamide

2: copper(l) iodide; triethylamine / 2,2,2-trifluoroethanol / 0.17 h / 20 °C

With copper(l) iodide; potassium carbonate; triethylamine; In 2,2,2-trifluoroethanol; N,N-dimethyl-formamide;
DOI:10.1007/s13738-014-0521-8