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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
ノート
印刷プレビュー

反応式

HRID 1441465 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 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

生成物 1

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

試薬・触媒・溶媒 1

HCID 887
Methanol
溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-b0ac4f2cc6ac4a7aa59b819347ed0e7b
出典データセット
uspto-grants-2010_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07655654B2

反応ノート

読み込み中…

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