2-Isoxazoline-3-carboxylic acid, 5-phenyl-, ethyl ester → 5-Phenyl-4,5-dihydro-1,2-oxazole-3-carboxylic acid

HRID 1918523

반응식

HRID 1918523 반응식
[C:1]1([CH:7]2[O:11][N:10]=[C:9]([C:12]([O:14]CC)=[O:13])[CH2:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1>[OH-].[Na+].O1CCOCC1>[C:1]1([CH:7]2[O:11][N:10]=[C:9]([C:12]([OH:14])=[O:13])[CH2:8]2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

참가 물질

4

반응물 1

HCID 5388222-Isoxazoline-3-carboxylic acid, 5-phenyl-, ethyl ester

생성물 1

HCID 130815325-Phenyl-4,5-dihydro-1,2-oxazole-3-carboxylic acid

시약·촉매·용매 2

HCID 14798Sodium Hydroxide용매HCID 312751,4-Dioxane용매

실험 절차

Ethyl 5-phenyl-4,5-dihydroisoxazole-3-carboxylate (0.1 g; 0.4 mmol) was dissolved in a mixture of sodium hydroxide (5 mL, 1M, water) and dioxane (2 mL). The reaction mixture was stirred vigorously at room temperature overnight and concentrated under reduced pressure. The resulting solution was acidified and extracted with ethyl acetate, dried and concentrated under reduced pressure, the crude material was used without further purification.

후처리

  1. concentrationconcentrated under reduced pressure
  2. extractionextracted with ethyl acetate
  3. customdried
  4. concentrationconcentrated under reduced pressure
  5. customthe crude material was used without further purification

출처 및 근거

ORD 기록
ord-61b131ed624e44aab897fb59c437a4bf
출처 데이터셋
uspto-grants-2013_12
특허 번호
US08618138B2

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