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Triethylamine → N-[2,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-2-oxo-1H-1,4-benzodiazepin-3-yl]-1H-2-indolecarboxamide

HRID 482473
ノート
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反応式

HRID 482473 の反応式
[NH2:1][CH:2]1[N:8]=[C:7]([C:9]2[C:14]([O:15][CH3:16])=[CH:13][C:12]([CH3:17])=[CH:11][C:10]=2[O:18][CH3:19])[C:6]2[CH:20]=[CH:21][CH:22]=[CH:23][C:5]=2[N:4]([CH3:24])[C:3]1=[O:25].F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1.[NH:53]1[C:61]2[C:56](=[CH:57][CH:58]=[CH:59][CH:60]=2)[CH:55]=[C:54]1[C:62](O)=[O:63].C(N(CC)CC)C>CN(C)C=O.O>[CH3:19][O:18][C:10]1[CH:11]=[C:12]([CH3:17])[CH:13]=[C:14]([O:15][CH3:16])[C:9]=1[C:7]1[C:6]2[CH:20]=[CH:21][CH:22]=[CH:23][C:5]=2[N:4]([CH3:24])[C:3](=[O:25])[CH:2]([NH:1][C:62]([C:54]2[NH:53][C:61]3[C:56]([CH:55]=2)=[CH:57][CH:58]=[CH:59][CH:60]=3)=[O:63])[N:8]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 8471TriethylamineHCID 72899Indole-2-carboxylic acidHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 153796223-Amino-1,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-1,4-benzodiazepin-2-one

生成物 1

HCID 9805268N-[2,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-2-oxo-1H-1,4-benzodiazepin-3-yl]-1H-2-indolecarboxamide
収率 81%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

To a solution of 0.38 g of the laevorotatory enantiomer of 3-amino-1,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-1,4-benzodiazepin-2-one in 10 ml of dimethylformamide, cooled to 50° C., are added 0.52 g of BOP and 0.19 g of indole-2-carboxylic acid, followed by 0.23 ml of triethylamine. The reaction mixture is stirred overnight at room temperature and is then poured into water and extracted with ethyl acetate, dried over sodium sulphate and evaporated to dryness. The product is purified by chromatography on a column of silica gel (eluent: dichlormethane/methanol: 95/5). The fractions of pure product are evaporated to dryness and the residue is crystallized from isopropyl ether. White crystals of (-)-N-[2,3-dihydro-5-(2,6-dimethoxy-4-methylphenyl)-1-methyl-2-oxo-1H-1,4-benzodiazepin-3-yl]-1H-indol-2-carboxamide are obtained, melting at 135° C.; Yield=81%; [α]D20 =-408 (c=0.35 in 1N HCl/CH3OH-50/50).

後処理

  1. extractionextracted with ethyl acetate
  2. dry with materialdried over sodium sulphate
  3. customevaporated to dryness
  4. customThe product is purified by chromatography on a column of silica gel (eluent: dichlormethane/methanol: 95/5)
  5. customThe fractions of pure product are evaporated to dryness
  6. customthe residue is crystallized from isopropyl ether

出典と根拠

ORDレコード
ord-af3784b1032c459ba481c9d81961a642
出典データセット
uspto-grants-1998_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05798353

反応ノート

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