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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 624890Generated: October 26, 2026

Diisopropylethylamine → 6-Cyclopropylmethoxy-5-(3,3-difluoro-azetidin-1-yl)-pyridine-2-carboxylic acid [(S)-2-cyclopropyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethyl]-amide

https://huagongshe.com/reaction/624890

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant6-(Cyclopropylmethoxy)-5-(3,3-difluoroazetidin-1-yl)picolinic acidHCID 71087292—
Reactant(S)-2-Cyclopropyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethylamineHCID 86674748—
Product6-Cyclopropylmethoxy-5-(3,3-difluoro-azetidin-1-yl)-pyridine-2-carboxylic acid [(S)-2-cyclopropyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethyl]-amideHCID 71105617—

Reaction Steps

In analogy to the procedure described in Example 47 b), 6-cyclopropylmethoxy-5-(3,3-difluoro-azetidin-1-yl)-pyridine-2-carboxylic acid (Example 1 b)) was reacted with (S)-2-cyclopropyl-1-(5-methyl-[1,2,4]oxadiazol-3-yl)-ethylamine in the presence of TBTU and DIEA to obtain the title compound; MS (EI): m/e=434.2 [MH+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09303012B2
Source datasetuspto-grants-2016_04
ORD IDord-4878984c6b014c10a3729846e7d5ae0f
Source noteuspto-grants-2016_04