Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1401609Generated: November 2, 2026

Dimethylformamide → HCID 59454928, compound

https://huagongshe.com/reaction/1401609

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant2-MethylpyrazineHCID 7976—
ReactantPotassium Phosphate, TribasicHCID 62657—
ReactantL-ProlineHCID 145742—
Reactant1H-Pyrido[4,3-b]indole, 2,3,4,5-tetrahydro-2,8-dimethyl-HCID 209291—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
ProductHCID 59454928HCID 59454928—

Reaction Conditions

Temperature90 °C

Reaction Steps

2,8-Dimethyl-2,3,4,5-tetrahydro-1H-pyrido (4,3-b) indole (70 mg, 0.35 mmol), copper (I) iodide (6.6 mg, 0.035 mmol), L-proline (8.05 mg, 0.07 mmol), Potassium phosphate tribasic (148 mg, 0.7 mmol) were dissolved in DMF (3 mL) and stirred for 5 min. 2-(2-bromo-1-methyl-vinyl))-5-methyl pyrazine (81 mg, 0.385 mmol) was added and nitrogen gas purged into the reaction mixture for a min. The reaction mixture was stirred at RT for 5 min followed by heating at 90° C. for 14 h. After completion of the reaction, DMF was evaporated. Water was added to the reaction mixture and the mixture filtered to obtain the solid crude, which was purified by reverse phase HPLC to obtain 20 mg desired product. 1H NMR (CDCl3, free base) δ (ppm): 8.70 (s, 1H), 8.50 (s, 1H), 7.60 (s, 1H), 7.24 (s, 1H), 7.05 (m, 2H), 3.80 (s, 2H), 2.90 (m, 4H), 2.64 (s, 3H), 2.62 (s, 3H), 2.42 (s, 3H), 2.14 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08907097B2
Source datasetuspto-grants-2014_12
ORD IDord-62deec34b87646b9a2679d68a4f8cd9f
Source noteuspto-grants-2014_12