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Benzene → HCID 68132396, 화합물

HRID 268296
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HRID 268296 반응식
Cl.[NH2:2][CH2:3][CH:4]([OH:13])[C:5]1[CH:10]=[CH:9][C:8]([Cl:11])=[C:7]([Cl:12])[CH:6]=1.C1C=CC=CC=1.[CH3:20][O:21][C:22]1[CH:23]=[C:24]([CH:27]=[CH:28][CH:29]=1)[CH:25]=O>O>[ClH:11].[Cl:12][C:7]1[CH:6]=[C:5]([CH:10]=[CH:9][C:8]=1[Cl:11])[CH:4]([OH:13])[CH2:3][NH:2][CH2:25][C:24]1[CH:27]=[CH:28][CH:29]=[C:22]([O:21][CH3:20])[CH:23]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 241BenzeneHCID 115693-MethoxybenzaldehydeHCID 695971792-Amino-1-(3,4-dichlorophenyl)ethan-1-olato(2-)--hydrogen chlorido(2-) (1/1)

생성물 1

HCID 68132396HCID 68132396, 화합물

시약·촉매·용매 1

HCID 962Water용매2회

실험 절차

The free base obtained from 70.0 g. of rac.-α-(aminomethyl)-3,4-dichlorobenzyl alcohol hydrochloride is heated at reflux in 1 l. of benzene with 40.8 g. of 3-methoxybenzaldehyde using a water-separator for 2 hours until no more water is released. After concentration and dissolving in 1 l. of methanol, the product is reduced with 30 g. of sodium borohydride below 5°, evaporated and extracted with methylene chloride and water. The methylene chloride extract, acidified with ethanolic hydrogen chloride, crystallizes with ethyl acetate and, after recrystallization from methanol-ether, yields rac.-3,4-dichloro-α-{[(3-methoxybenzyl)amino]methyl}benzyl alcohol hydrochloride, m.p. 198°-200°. The free base recrystallized from methanol-petroleum ether has a m.p. of 94°-95°.

후처리

  1. customThe free base obtained from 70.0 g
  2. temperatureat reflux in 1 l
  3. concentrationAfter concentration
  4. dissolutiondissolving in 1 l
  5. customof sodium borohydride below 5°, evaporated
  6. extractionextracted with methylene chloride and water
  7. extractionThe methylene chloride extract
  8. customcrystallizes with ethyl acetate
  9. customafter recrystallization from methanol-ether

출처 및 근거

ORD 기록
ord-fc0d6ebe67ba41a080f7d0e7b8e4c21c
출처 데이터셋
uspto-grants-1976_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US03947456

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