Boron tribromide → HCID 10247007, compound

HRID 1095284Notes

Reaction equation

HRID 1095284 reaction equation
[C:1]1([C:7]2[O:8][C:9]3[C:14]([C:15](=[O:23])[C:16]=2[C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)=[C:13]([O:24]C)[C:12]([O:26]C)=[C:11]([O:28]C)[CH:10]=3)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.B(Br)(Br)Br>C(Cl)Cl>[C:1]1([C:7]2[O:8][C:9]3[C:14]([C:15](=[O:23])[C:16]=2[C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)=[C:13]([OH:24])[C:12]([OH:26])=[C:11]([OH:28])[CH:10]=3)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

Participants

4

Reactant 2

HCID 25134Boron tribromideHCID 11740970HCID 11740970, compound

Product 1

HCID 10247007HCID 10247007, compound

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Similar to the preparation of 1d, the reaction of 2,3-diphenyl-5,6,7-trimethoxychromone with boron tribromide in methylene chloride at ° C. for 30 min and then at room temperature for 3 hr produces the title compound.

Sources & evidence

ORD record
ord-20266b789249489586d13372a35d75d7
Source dataset
uspto-grants-2012_03
Patent number
US08138165B2

Reaction notes

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