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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2416079Generated: October 30, 2026

N-[5-(2-amino-1-hydroxyethyl)-2-hydroxyphenyl]methanesulphonamide → HCID 178525470, compound

https://huagongshe.com/reaction/2416079

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-[5-(2-amino-1-hydroxyethyl)-2-hydroxyphenyl]methanesulphonamideHCID 9837752—
Reactant4-((2S)-3-Amino-2-hydroxy-propoxy)-1,3-dihydrobenzoimidazol-2-oneHCID 10799105—
Reactantdiethyl (2S)-2-[[5-[[4-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)phenyl]methylidene]-4-oxo-1,3-thiazol-2-yl]amino]pentanedioateHCID 178471552—
Reactant2-(methylamino)-5-[[4-(4-oxopiperidin-1-yl)phenyl]methylidene]-1,3-thiazol-4-oneHCID 178482435—
ProductHCID 178525470HCID 178525470—

Reaction Steps

The title compound was prepared from (2S)-2-{5-[4-(1,4-dioxa-8-aza-spiro[4.5]dec-8-yl)-benzylidene]-4-oxo-4,5-dihydro-thiazol-2-ylamino}-pentanedioic acid diethyl ester (which was obtained in Intermediate 34) and (S)-4-[2-hydroxy-3-aminopropoxy]-1,3-dihydro-2H-benzimidazol-2-one (Jesudason, C. D., et al., EP 0 764 640) according to the procedures of Intermediate 18, Example 1 and Example 9 as a yellowish solid; mp>270° C. (dec.); 1H NMR (300 MHz, DMSO-d6) δ 1.40-1.70 (m, 2 H), 1.80-4.30 (m, 17 H), 6.50-6.80(m, 2 H), 6.80-7.10(m, 3 H), 7.23(d, J=8.4 Hz, 2 H), 7.37 (s, 1 H), 10.61(brs, 1 H), 11.01 (brs, 1 H); MS (ES) m/z: 320.3 ((M+2H)2+, 100%); 639.4 (MH+, 60%); HRMS Calcd. for C30H35N6O8S (MH+): 639.2231. Found: 639.2233.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06821991B2
Source datasetuspto-grants-2004_11
ORD IDord-607f04d2f2b64a3fb23fcb15de86b4b1
Source noteuspto-grants-2004_11