Triethylamine → HCID 21288997, compound

HRID 3769Notes

Reaction equation

HRID 3769 reaction equation
[CH3:1][O:2][C:3]1[C:12]2[O:11][CH:10]=[CH:9][C:8](=[O:13])[C:7]=2[CH:6]=[CH:5][CH:4]=1.C(N(CC)CC)C>[Pd].C(O)C>[OH:13][CH:8]1[C:7]2[CH:6]=[CH:5][CH:4]=[C:3]([O:2][CH3:1])[C:12]=2[O:11][CH2:10][CH2:9]1

Participants

5

Reactant 2

HCID 8471TriethylamineHCID 8477188-methoxy-4H-chromen-4-one

Product 1

HCID 21288997HCID 21288997, compound

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 702EthanolSolvent

Procedure

A solution of 8-methoxy-4-benzopyranone (31.6 g), triethylamine (4.9 ml) and 10% palladium on carbon (3.1 g) in absolute ethanol (1.7 l) is stirred under an atmosphere of hydrogen (P=52 lbs.) overnight. The resulting solid is filtered, washed with diethyl ether and evaporated in vacuo yielding the desired product as a solid.

Workup

  1. filtrationThe resulting solid is filtered
  2. washwashed with diethyl ether
  3. customevaporated in vacuo

Sources & evidence

ORD record
ord-2956eb50cd4a4f1bb50c59a5120211de
Source dataset
uspto-grants-1988_02
Patent number
US04722925

Reaction notes

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