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Dimethylformamide → N-tert-butyloxycarbonyl-[(2,6-dimethoxy-4-methylphenyl)carbamoyl]methylamine

HRID 2923
ノート
印刷プレビュー

反応式

HRID 2923 の反応式
[C:1]([NH:8][CH2:9][C:10]([OH:12])=O)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1.CN(C)C=O.Cl.[CH3:46][O:47][C:48]1[CH:54]=[C:53]([CH3:55])[CH:52]=[C:51]([O:56][CH3:57])[C:49]=1[NH2:50]>C(OC(C)C)(C)C.C(OCC)(=O)C.C(N(CC)CC)C>[C:4]([O:3][C:1]([NH:8][CH2:9][C:10](=[O:12])[NH:50][C:49]1[C:51]([O:56][CH3:57])=[CH:52][C:53]([CH3:55])=[CH:54][C:48]=1[O:47][CH3:46])=[O:2])([CH3:5])([CH3:6])[CH3:7]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 6228DimethylformamideHCID 78288N-(tert-butoxycarbonyl)glycineHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 189364892,6-Dimethoxy-4-methylaniline hydrochloride

生成物 1

HCID 18936465N-tert-butyloxycarbonyl-[(2,6-dimethoxy-4-methylphenyl)carbamoyl]methylamine収率 96%

試薬・触媒・溶媒 3

HCID 7914Diisopropyl Ether溶媒HCID 8471Triethylamine溶媒HCID 8857Ethyl Acetate溶媒

実験手順

6.6 g of N-Boc-glycine and 15.6 g of BOP are successively added to 100 ml of dimethylformamide and then, at 0° C., 14 ml of triethylamine are added dropwise. The mixture is left for 20 minutes at 0° C. and 6.7 g of 2,6-dimethoxy-4-methylaniline hydrochloride are then added portionwise. The reaction mixture is left at room temperature for 15 hours. 400 ml of ethyl acetate are added to the reaction mixture and the organic phase is successively washed with 3×200 ml of water, with a 1N aqueous sodium hydroxide solution and then with water. The organic phase is dried over anhydrous sodium sulphate. Evaporation of the solvent leaves a semi-crystalline residue which is solidified in diisopropyl ether to provide N-tert-butyloxycarbonyl-[(2,6-dimethoxy-4-methylphenyl)carbamoyl]methylamine, in the form of white crystals; M.p.=146° C.; Yield: 96%.

後処理

  1. waitThe reaction mixture is left at room temperature for 15 hours
  2. washthe organic phase is successively washed with 3×200 ml of water, with a 1N aqueous sodium hydroxide solution
  3. dry with materialThe organic phase is dried over anhydrous sodium sulphate
  4. customEvaporation of the solvent
  5. customleaves a semi-crystalline residue which

出典と根拠

ORDレコード
ord-9cb77feee68640b1aefc6e6668171bff
出典データセット
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05731340

反応ノート

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