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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1401550Generated: October 30, 2026

L-Proline → HCID 59455151, compound

https://huagongshe.com/reaction/1401550

Reaction equation

Participants

RoleNameHCIDCharge
ReactantL-ProlineHCID 145742—
ReactantHCID 12527880HCID 12527880—
Reactant(E)-4-(1-bromoprop-1-en-2-yl)pyridineHCID 86642478—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
SolventDimethylformamideHCID 6228—
ProductHCID 59455151HCID 59455151—

Reaction Conditions

Temperature80 °C

Reaction Steps

2-Ethyl-8-methyl-2,3,4,4a,5,9b-hexahydro-1H-pyrido[4,3-b]indole (150 mg, 0.69 mmol) potassium phosphate (292.5 mg, 1.382 mmol), Copper (I) iodide (13.11 mg, 0.069 mmol) and L-proline (15.8 mg, 0.138 mmol) were mixed in DMF and the purged with nitrogen. The contents were heated at 80° C. for 10 min. 4-(1-Bromoprop-1-en-2-yl)pyridine (208 mg, 1.04 mmol) was added, the reaction mixture was purged nitrogen and heated overnight at 140° C. The contents were cooled to RT and poured into water. The precipitate obtained was filtered, dried and purified by HPLC. 1H NMR (CD3OD, freebase) δ (ppm): 8.58 (d, 2H), 7.70 (d, 2H), 7.35 (s, 1H), 7.30 (s, 1H), 7.05 (m, 2H), 3.95 (s, 2H), 3.10 (q, 2H), 2.95 (m, 4H), 2.42 (s, 3H), 2.00 (s, 3H), 1.30 (t, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08907097B2
Source datasetuspto-grants-2014_12
ORD IDord-3401ee90bac1445ebe1ec3c5da9983c6
Source noteuspto-grants-2014_12