Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1966211Generated: October 30, 2026

Toluene → HCID 68491125, compound

https://huagongshe.com/reaction/1966211

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
Reactant1-Methyl-3-aminopyrazoleHCID 137254—
ReactantBinap, (A+-)-HCID 634876—
Reactant5-(Benzyloxy)-2-bromopyridineHCID 16094696—
SolventEthyl AcetateHCID 8857—
ProductHCID 68491125HCID 68491125—

Reaction Conditions

Temperature120 °C

Reaction Steps

11.2 5-Benzyloxy-2-bromo-pyridine (0.53 mmol), sodium-tert.-butyl at (1.4 eq.), tris-(dibenzylidene-acetone)-dipalladium (0.01 eq.), BINAP (0.01 eq.) and 1-methyl-1H-pyrazole-3-amine (1.2 eq.) are filled under nitrogen in a microwave reaction vessel. Degassed Toluene (50 eq.) is added. The reaction suspension is heated to 120° C. for 10 min. Ethyl acetate is added to the reaction suspension and filtrated over celite. The solvent of the filtrate is removed in vacuo. “A11” is obtained after column chromatography (heptan/ethyl acetate) as a colourless powder in a yield of 29%; HPLC (method C): 1.60 min); LC-MS (m Method A): 1.008 min, 281.15 (M+H+); 1H-NMR (DMSO-d6, 500 MHz): δ [ppm] 8.859 (s, 1H), 7.886 (d, 1H, J=2.5 Hz), 7.449-7.429 (m, 3H), 7.400-7.370 (m, 2H), 7.342-7.308 (m, 2H), 7.246 (d, 1H, J=9.0 Hz), 6.169 (d, 1H, J=2.5 Hz), 5.062 (s, 2H), 3.709 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08420642B2
Source datasetuspto-grants-2013_04
ORD IDord-aae75655c3464f7b9c0b0d10696e8e14
Source noteuspto-grants-2013_04