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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1295515Generated: October 31, 2026

Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) → tert-butyl (S)-2-(4-(4-(thiophen-2-yl)butoxy)phenylcarbamoyl)-1-hydroxypropan-2-ylcarbamate

https://huagongshe.com/reaction/1295515

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant(S)-2-((tert-Butoxycarbonyl)amino)-3-hydroxy-2-methylpropanoic acidHCID 12991620—
Reactant2-(4-(4-Nitrophenoxy)butyl)thiopheneHCID 69265594—
SolventDiisopropylethylamineHCID 81531—
Producttert-butyl (S)-2-(4-(4-(thiophen-2-yl)butoxy)phenylcarbamoyl)-1-hydroxypropan-2-ylcarbamateHCID 8660570166.8%

Reaction Steps

This compound was synthesized from 2-(4-(4-nitrophenoxy)butyl)thiophene (280 mg), N-(Boc)-α-methylserine (205 mg), HATU (442 mg), and DIPEA (506 μl) following the procedure described in Example 5(A) to yield 280 mg product (62% yield). 1H NMR (400 MHz, DMSO-d6) δ 9.24 (s, 1H), 7.44 (m, 2H), 7.29 (m, 1H), 6.9 (m, 1H), 6.84–6.81 (m, 3H), 5.00 (t, 1H), 3.93 (t, 2H), 3.61 (m, 2H), 2.84 (t, 2H), 1.73 (m, 4H), 1.48 (overlapping singlets, 9H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07241812B2
Source datasetuspto-grants-2007_07
ORD IDord-74ce8fb06cb84b84b4fe22e91fd0bd34
Source noteuspto-grants-2007_07