1-Bromo-4-chlorobutane → 7-(4-Chlorobutoxy)-4H-1-benzopyran-4-one

HRID 2118487

Reaction equation

HRID 2118487 reaction equation
Cl[CH2:2][CH2:3][CH2:4][O:5][C:6]1[CH:16]=[CH:15][C:9]2[C:10](=[O:14])[CH:11]=[CH:12][O:13][C:8]=2[CH:7]=1.BrCCC[CH2:21][Cl:22].OC1C=CC2C(=O)C=COC=2C=1>>[Cl:22][CH2:21][CH2:2][CH2:3][CH2:4][O:5][C:6]1[CH:16]=[CH:15][C:9]2[C:10](=[O:14])[CH:11]=[CH:12][O:13][C:8]=2[CH:7]=1

Participants

4

Reactant 3

HCID 813641-Bromo-4-chlorobutaneHCID 54092797-Hydroxy-4-benzopyroneHCID 108475637-(3-Chloropropoxy)-4H-1-benzopyran-4-one

Product 1

HCID 139239677-(4-Chlorobutoxy)-4H-1-benzopyran-4-one

Procedure

The title compound, mp 75°-78° C. was prepared as described above for 7-(3-chloropropoxy)-4H-1-benzopyran-4-one, starting from 1-bromo-4-chlorobutane and 7-hydroxy-4H-1-benzopyran-4-one.

Sources & evidence

ORD record
ord-50bb70c4ab7b4d9591fabeb7028b36a1
Source dataset
uspto-grants-1987_07
Patent number
US04678787

Linked notes

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