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Dichloromethane → 5-(3-chlorophenyl)-4,5-dihydro-alpha-(4-methoxyphenyl)-alpha-(1-methyl-1H-imidazol-5-yl)-tetrazolo[1,5-a]quinazoline-7-methanol

HRID 1441465
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HRID 1441465 반응식
[BH4-].[Na+].[Cl:3][C:4]1[CH:5]=[C:6]([C:10]2[C:19]3[C:14](=[CH:15][CH:16]=[C:17]([C:20]([C:28]4[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=4)([C:22]4[N:26]([CH3:27])[CH:25]=[N:24][CH:23]=4)[OH:21])[CH:18]=3)[N:13]3[N:36]=[N:37][N:38]=[C:12]3[N:11]=2)[CH:7]=[CH:8][CH:9]=1.C(Cl)Cl>CO>[Cl:3][C:4]1[CH:5]=[C:6]([CH:10]2[C:19]3[C:14](=[CH:15][CH:16]=[C:17]([C:20]([C:28]4[CH:33]=[CH:32][C:31]([O:34][CH3:35])=[CH:30][CH:29]=4)([C:22]4[N:26]([CH3:27])[CH:25]=[N:24][CH:23]=4)[OH:21])[CH:18]=3)[N:13]3[N:36]=[N:37][N:38]=[C:12]3[NH:11]2)[CH:7]=[CH:8][CH:9]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 6344DichloromethaneHCID 4311764Sodium borohydrideHCID 688609185-(3-chlorophenyl)-alpha-(4-methoxyphenyl)-alpha-(1-methyl-1H-imidazol-5-yl)-tetrazolo[1,5-a]quinazoline-7-methanol

생성물 1

HCID 1363420825-(3-chlorophenyl)-4,5-dihydro-alpha-(4-methoxyphenyl)-alpha-(1-methyl-1H-imidazol-5-yl)-tetrazolo[1,5-a]quinazoline-7-methanol수율 67%

시약·촉매·용매 1

HCID 887
Methanol
용매

실험 절차

NaBH4 (0.003 mol) was added portionwise at room temperature to a mixture of intermediate 16 (0.003 mol) in methanol (15 ml). The mixture was stirred at room temperature for 2 hours and poured out into ice water. DCM was added. The mixture was extracted with DCM. The organic layer was separated, dried (MgSO4), filtered, and the solvent was evaporated. The residue (1.3 g, 86%) was crystallized from 2-propanone/diethyl ether. The precipitate was filtered off and dried, yielding 1 g (67%) of 5-(3-chlorophenyl)-4,5-dihydro-α-(4-methoxyphenyl)-α-(1-methyl-1H-imidazol-5-yl)-tetrazolo[1,5-α]quinazoline-7-methanol (intermediate 17), mp. 220° C.

후처리

  1. extractionThe mixture was extracted with DCM
  2. customThe organic layer was separated
  3. dry with materialdried (MgSO4)
  4. filtrationfiltered
  5. customthe solvent was evaporated
  6. customThe residue (1.3 g, 86%) was crystallized from 2-propanone/diethyl ether
  7. filtrationThe precipitate was filtered off
  8. customdried

출처 및 근거

ORD 기록
ord-b0ac4f2cc6ac4a7aa59b819347ed0e7b
출처 데이터셋
uspto-grants-2010_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07655654B2

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