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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1644624Generated: November 1, 2026

2,3-Diaminopyridine → HCID 59243189, compound

https://huagongshe.com/reaction/1644624

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3-DiaminopyridineHCID 9956—
Reactant3-[(2-Thienylsulfonyl)amino]benzoic acidHCID 800088—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
SolventDimethylformamideHCID 6228—
ProductHCID 59243189HCID 59243189—

Reaction Steps

3-(thiophene-2-sulfonamido)benzoic acid (242b) was reacted with 2,3-diaminopyridine, HBTU and TEA in DMF followed by microwave as described previously for example 235. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.74 (s, 1H), 8.45 (d, 1H, J=4.6 Hz), 8.20 (d, 1H, J=7.3 Hz), 8.11 (m, 1H), 7.92 (m, 2H), 7.61 (dd, 1H, J=1.4, 3.7 Hz), 7.52 (t, 2H, J=8.0 Hz), 7.40 (dd, 1H, J=5.0, 7.8 Hz), 7.33 (dd, 1H, J=1.3, 8.0 Hz), 7.12 (dd, 1H, J=3.8, 5.0 Hz); Calc'd for C16H12N4O2S2; (M+H)=357; found 357.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08124617B2
Source datasetuspto-grants-2012_02
ORD IDord-5b9bab8019c74547a31fef1b847a5e1c
Source noteuspto-grants-2012_02