(4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

Base Information

Chemical Name:(4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one
CAS No.:1062117-97-8
Molecular Formula:C₁₅H₁₅BrO₃
Molecular Weight:323.186
Hs Code.:

Synonyms:(4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

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Technology Process of (4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

There total 2 articles about (4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one 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: 78.0%

: 138555-58-5,66223-53-8
2-bromocinnamaldehyde

: 504-02-9
1,3-cylohexanedione

: 1062117-97-8
(4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

Guidance literature:: With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; In dichloromethane; at 0 ℃; optical yield given as %ee; enantioselective reaction;
DOI:10.1002/chem.200800836

Reference yield:

: 504-02-9
1,3-cylohexanedione

: 56984-71-5,124854-94-0
(E:Z)-3-(2-bromophenyl)prop-2-en-1-ol

: 1062117-97-8
(4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

: C₁₅H₁₅BrO₃

Guidance literature:: (E:Z)-3-(2-bromophenyl)prop-2-en-1-ol; With 4-methylmorpholine N-oxide; In dichloromethane; for 0.0833333h;

With tetra-n-propylammonium perruthenate.; In dichloromethane; at 20 ℃; for 0.25h;

1,3-cylohexanedione; With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; In dichloromethane; at 10 ℃; for 96h; optical yield given as %ee; enantioselective reaction;
DOI:10.1002/chem.201102551

Reference yield: 83.0%

: 1062117-97-8
(4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

: 1062118-31-3
(R)-4-(2-bromophenyl)-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one

Guidance literature:: (4R)-4-(2-bromophenyl)-2-hydroxy-3,4,7,8-tetrahydro-2H-chromen-5(6H)-one; With sodium tetrahydroborate; In ethanol; for 1h; Reflux;

With sulfuric acid; In water; for 1h; optical yield given as %ee; Reflux;
DOI:10.1002/chem.200800836