Thionyl Chloride → (2RS,5SR)-5-(4-fluoro-phenyl)-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic chloride

HRID 890259Notes

Reaction equation

[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]2[N:12]([S:13]([C:16]3[CH:21]=[CH:20][C:19]([CH3:22])=[CH:18][CH:17]=3)(=[O:15])=[O:14])[CH:11]([C:23]([OH:25])=O)[CH2:10][CH2:9]2)=[CH:4][CH:3]=1.S(Cl)([Cl:28])=O>C1(C)C=CC=CC=1>[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]2[N:12]([S:13]([C:16]3[CH:21]=[CH:20][C:19]([CH3:22])=[CH:18][CH:17]=3)(=[O:15])=[O:14])[CH:11]([C:23]([Cl:28])=[O:25])[CH2:10][CH2:9]2)=[CH:4][CH:3]=1

Participants

Conditions

Temperature: 80 °C

Procedure

To a stirred suspension of (2RS,5SR)-5-(4-fluoro-phenyl)-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic acid (4.05 g, 11.1 mmol) in toluene (60 ml) was added thionyl chloride (1.21 ml, 16.7 mmol) and the mixture was stirred at 80° C. for 1.5 h. Evaporation of the solvent yielded (2RS,5SR)-5-(4-fluoro-phenyl)-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic chloride as a light brown solid.

Workup

customEvaporation of the solvent

Sources & evidence

ORD record: ord-f9618d62b9bf4a0e924609ff7bc2cd01
Source dataset: uspto-grants-2006_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06995182B2

Reaction notes

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