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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 490282Generated: October 29, 2026

Dimethylamine → HCID 68820093, compound

https://huagongshe.com/reaction/490282

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylamineHCID 674—
ReactantHCID 86610044HCID 86610044—
CatalystPalladiumHCID 23938—
SolventTetrahydrofuranHCID 8028—
ProductHCID 68820093HCID 6882009386%

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of (±)-1,1-dimethylethyl 4-[[1-[(6-bromo-2-pyridinyl]ethoxymethyl]-1H-benzimidazol-2-yl]amino]-1-piperidinecarboxylate (0.00189 mol) (interm. 33), Pd (0.026 g), (R)-(+)-2,2′-bis(diphenyl-phosphino)-1,1′-binaphtyl (0.046 g) and NH(CH3)2 gas (10 g) in tetrahydrofuran (200 ml) was stirred in an autoclave at 100° C. for 16 hours under pressure of CO (30 atm). The mixture was filtered and the filtrate was evaporated. The residue was purified over silica gel on a glass filter (eluent: CH2Cl2/(CH3OH/NH3) 99/1). The pure fractions were collected and the solvents was evaporated, yielding 0.8 g of (±)-1,1-dimethylethyl 4-[[1-[[6-(dimethylamino)-2-pyridinyl]ethoxymethyl]-1H-benzimidazol-2-yl]amino]-1-piperidinecarboxylate (86%) (interm. 14).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07528149B2
Source datasetuspto-grants-2009_05
ORD IDord-f98eb0d08d4746589f0ec9875e150b3f
Source noteuspto-grants-2009_05