Triethylamine → 6-Methoxy-3,4-dihydro-2H-1-benzopyran-4-ol

HRID 3766노트

반응식

HRID 3766 반응식
[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[O:11][CH:10]=[CH:9][C:8](=[O:12])[C:7]=2[CH:13]=1.C(N(CC)CC)C>[Pd].C(O)C>[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[O:11][CH2:10][CH2:9][CH:8]([OH:12])[C:7]=2[CH:13]=1

참가 물질

5

반응물 2

HCID 8471TriethylamineHCID 6888806-Methoxychromone

생성물 1

HCID 137128456-Methoxy-3,4-dihydro-2H-1-benzopyran-4-ol

시약·촉매·용매 2

HCID 23938Palladium촉매HCID 702Ethanol용매

실험 절차

A solution of 6-methoxy-4-benzopyranone (31.6 g), triethylamine (4.9 ml) and 10% palladium on carbon (3.16 g) in absolute ethanol (1.7 l) is stirred under an atmosphere of hydrogen for 19 hours. The reaction mixture is filtered and evaporated in vacuo yielding the desired hydrogenated product as a pale yellow liquid.

후처리

  1. filtrationThe reaction mixture is filtered
  2. customevaporated in vacuo

출처 및 근거

ORD 기록
ord-735299a0ef624d81b9ed5d77439bde1a
출처 데이터셋
uspto-grants-1988_02
특허 번호
US04722925

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