Hydroxyamine hydrochloride → HCID 54435302, compound

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Reaction Steps

2-(4-Fluoro-benzenesulfonyl)-2-but-2-ynyl-hex-4-ynoic acid hydroxyamide was prepared according to the method as outlined in Example 1. Starting from 2-(4-fluoro-benzenesulfonyl)-2-but-2-ynyl-hex-4-ynoic acid (0.26 g, 0.81 mmol) and hydroxylamine hydrochloride (0.70 g, 10 mmol), 0.21 g of the product was isolated. Yield 77%; white solid; mp 161-163° C.; MS:338.1(M+H)+; 1H NMR (300 MHz, DMSO-d6) δ1.67 (s, 6H), 2.80-3.10 (m, 4H), 7.51 (dd, J=9.0, 9.0 Hz, 2H), 7.87 (m, 2H), 9.26 (brs, 1H), 10.95 (brs, 1H); IR (KBr, cm−1): 3336s, 3245m, 1681s, 1589m, 1493m; Anal. Calc'd for C16H16FNO4S: C, 56.96; H, 4.78; N, 4.15. Found: C, 56.59; H, 4.75; N, 4.04.

Provenance & Evidence