1-Bromo-2-butyne → HCID 70147290, compound

HRID 2305870Notes

Reaction equation

HRID 2305870 reaction equation
[C:1]([O:5][C:6](=[O:18])[CH2:7][S:8]([C:11]1[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=1)(=[O:10])=[O:9])([CH3:4])([CH3:3])[CH3:2].Br[CH2:20][C:21]#[C:22][CH3:23]>>[C:1]([O:5][C:6](=[O:18])[C:7]([S:8]([C:11]1[CH:12]=[CH:13][C:14]([F:17])=[CH:15][CH:16]=1)(=[O:10])=[O:9])([CH2:16][C:11]#[C:12][CH3:13])[C:20]#[C:21][CH2:22][CH3:23])([CH3:4])([CH3:2])[CH3:3]

Participants

3

Procedure

2-(4-Fluoro-benzenesulfonyl)-2-but-2-ynylhexynoic acid tert-butyl ester was prepared according to the procedure as outlined in Example 9. aSctarting from 2-(4fluoro-benzenesulfonyl)-acetic acid tert-butyl ester (4.87 g, 20 mmol) and 1-bromo-2-butyne (5.36 g, 40 mmol), 6.0 g of the product was isolated. Yield 77%; white solid; mp 85° C.; MS: 379.1 (M+H)+.

Sources & evidence

ORD record
ord-e5bdfd2d18674ac68b418c9abb9cf2ed
Source dataset
uspto-grants-2002_08
Patent number
US06441023B1

Reaction notes

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