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

HRID 1974683노트

반응식

HRID 1974683 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-84ad43ef5efc4fcc9715948ed08549b6
출처 데이터셋
uspto-grants-1994_02
특허 번호
US05283352

반응 노트

불러오는 중…