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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 18326Generated: October 25, 2026

Tri-o-tolylphosphine → (E)-3-(2-aminopyrimidin-5-yl)-N-methyl-N-(1-methyl-1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)acrylamide

https://huagongshe.com/reaction/18326

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTri-o-tolylphosphineHCID 80271—
ReactantDiisopropylethylamineHCID 81531—
Reactant2-Amino-5-bromopyrimidineHCID 231310—
ReactantN-methyl-N-(1-methyl-1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)acrylamideHCID 22139100—
Catalystpalladium(II) acetateHCID 167845—
SolventPropionitrileHCID 7854—
Product(E)-3-(2-aminopyrimidin-5-yl)-N-methyl-N-(1-methyl-1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)acrylamideHCID 997342020%

Reaction Steps

A solution of 2-amino-5-bromopyrimidine (0.27 g, 1.55 mmole), N-methyl-N-(1-methyl-1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)acrylamide (0.5 g, 2.33 mmole), Pd(OAc)2 (0.037 g, 0.163 mmole), P(o-tolyl)3 (0.085 g, 0.28 mmole), and (i-Pr)2NEt (0.42 mL, 2.33 mmole) in propionitrile (20 mL) was degassed then heated to reflux. After 18 hr the mixture was cooled to RT and concentrated. Flash chromatography on silica gel (10% MeOH/CH2Cl2) gave the title compound (0.100 g, 18%): MS (ES) m/e 363 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07741339B2
Source datasetuspto-grants-2010_06
ORD IDord-03e5bbc4997841908c5f88cf5a5ca788
Source noteuspto-grants-2010_06