Thionyl Chloride → HCID 21518331, compound

HRID 1580815Notes

Reaction equation

[O:1]=[C:2]1[C:8]2[CH:9]=[CH:10][C:11]([CH:13]([CH3:17])[C:14](O)=[O:15])=[CH:12][C:7]=2[CH2:6][CH2:5][C:4]2[CH:18]=[CH:19][CH:20]=[CH:21][C:3]1=2.S(Cl)([Cl:24])=O>>[O:1]=[C:2]1[C:8]2[CH:9]=[CH:10][C:11]([CH:13]([CH3:17])[C:14]([Cl:24])=[O:15])=[CH:12][C:7]=2[CH2:6][CH2:5][C:4]2[CH:18]=[CH:19][CH:20]=[CH:21][C:3]1=2

Participants

Reactant 2

HCID 24386Thionyl Chloride

HCID 21518344HCID 21518344, compound

Product 1

HCID 21518331HCID 21518331, compound

Procedure

2-(5-Oxo-10,11-dihydrodibenzo[a,d]cyclohepten-2-yl)propionyl chloride is obtained by heating 2-(5-oxo-10,11-dihydrodibenzo[a,d]cyclohepten-2-yl)propionic acid (28 g.) in thionyl chloride (280 cc.) for one hour. After cooling, the thionyl chloride is evaporated at 60°C. under reduced pressure (20 mm.Hg). 2-(5-Oxo-10,11-dihydrodibenzo[a,d]cyclohepten-2-yl)propionyl chloride (28.8 g.) is thus obtained in the form of an oil.

Workup

temperatureAfter cooling
customthe thionyl chloride is evaporated at 60°C. under reduced pressure (20 mm.Hg)

Sources & evidence

ORD record: ord-acb6aae745d746b282daa88f5589eee9
Source dataset: uspto-grants-1976_01
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US03933905

Reaction notes

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