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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 605667Generated: October 30, 2026

5-Bromo-2-thiophenesulfonamide → HCID 16110630, compound

https://huagongshe.com/reaction/605667

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-2-thiophenesulfonamideHCID 1241304—
Reactant2-(1-(Tert-butyldimethylsilyloxy)-7-phenylheptyl)-5-(tributylstannyl)oxazoleHCID 67046048—
ProductHCID 16110630HCID 1611063075%

Reaction Steps

The title compound was prepared from 2-(1-(tert-butyldimethylsilyloxy)-7-phenylheptyl)-5-(tributylstannyl)oxazole (54 mg, 0.081 mmol) and 5-bromothiophene-2-sulfonamide following General Procedure A. Flash chromatography (10-20% EtOAc/hexanes) yielded the title compound as a white solid (33 mg, 75%): 1H NMR (CDCl3, 500 MHz) δ 7.68 (d, 1H, J=4.0 Hz), 7.36-7.33 (m, 3H), 7.29 (d, 1H, J=3.5 Hz), 7.26-7.23 (m, 3H), 5.29 (s, 2H), 4.89 (t, 1H, J=6.0 Hz), 2.67 (t, 2H, J=7.5 Hz), 2.02-1.95 (m, 2H), 1.74-1.59 (m, 2H), 1.40-1.38 (m, 6H), 0.97 (s, 9H), 0.17 (s, 3H), 0.08 (s, 3H); 13C NMR (CDCl3, 125 MHz) δ 166.2, 145.2, 143.2, 142.5, 136.4, 132.7, 128.8, 128.7, 126.0, 124.2, 123.8, 68.9, 36.7, 36.3, 31.8, 29.6, 26.1, 26.1, 25.5, 18.6, −4.5, −4.7.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07915270B2
Source datasetuspto-grants-2011_03
ORD IDord-840f7b8400084fed8309fff008fdd3ac
Source noteuspto-grants-2011_03