Hydrochloric Acid → 4-(3,4-Dihydroxy-5-nitrophenyl)-3-methylbut-3-en-2-one

HRID 1195931노트

반응식

HRID 1195931 반응식
[OH:1][C:2]1[CH:3]=[C:4]([CH:7]=[C:8]([N+:11]([O-:13])=[O:12])[C:9]=1[OH:10])[CH:5]=O.Cl.CCOCC.[CH3:20][C:21](=[O:24])[CH2:22][CH3:23]>>[OH:1][C:2]1[CH:3]=[C:4]([CH:5]=[C:22]([CH3:23])[C:21](=[O:24])[CH3:20])[CH:7]=[C:8]([N+:11]([O-:13])=[O:12])[C:9]=1[OH:10]

참가 물질

5

반응물 4

HCID 313Hydrochloric AcidHCID 3283Diethyl EtherHCID 6569Methyl Ethyl KetoneHCID 57489573,4-Dihydroxy-5-nitrobenzaldehyde

생성물 1

HCID 540099494-(3,4-Dihydroxy-5-nitrophenyl)-3-methylbut-3-en-2-one

실험 절차

A solution containing 0.5 g of 3,4-dihydroxy-5-nitrobenzaldehyde in 2.0 ml of butanone was saturated with gaseous hydrogen chloride. After standing over night ether was added to the solution and it was filtered. The product was crystallized from isopropanol, yield 0.2 g (30%), m.p. 139°-141° C.

후처리

  1. waitAfter standing over night
  2. filtrationwas filtered
  3. customThe product was crystallized from isopropanol, yield 0.2 g (30%), m.p. 139°-141° C.

출처 및 근거

ORD 기록
ord-f1b1fa0801bf483a8fe548f1efdb8fcf
출처 데이터셋
uspto-grants-1992_05
특허 번호
US05112861

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