tert-Butoxy bis(dimethylamino)methane → 4-[(dimethylamino)methylene]-1,2,3,4-tetrahydro-1-(4-nitrobenzoyl)-5H-1-benzazepin-5-one

HRID 355868

Reaktionsgleichung

Reaktionsgleichung von HRID 355868
[N+:1]([C:4]1[CH:23]=[CH:22][C:7]([C:8]([N:10]2[C:16]3[CH:17]=[CH:18][CH:19]=[CH:20][C:15]=3[C:14](=[O:21])[CH2:13][CH2:12][CH2:11]2)=[O:9])=[CH:6][CH:5]=1)([O-:3])=[O:2].C(O[CH:29](N(C)C)[N:30]([CH3:32])[CH3:31])(C)(C)C>>[CH3:29][N:30]([CH:32]=[C:13]1[C:14](=[O:21])[C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[N:10]([C:8](=[O:9])[C:7]2[CH:6]=[CH:5][C:4]([N+:1]([O-:3])=[O:2])=[CH:23][CH:22]=2)[CH2:11][CH2:12]1)[CH3:31]

Komponenten

3

Versuchsvorschrift

A mixture of 1.35 g of 1,2,3,4-tetrahydro-1-(4-nitrobenzoyl)-5H-1-benzazepin-5-one and 15 ml of tert-butoxy-bis(dimethylamino)methane is heated for on a steam bath for 2 hours. The volatiles are evaporated in vacuo to a residue which is stirred with ether and filtered. The cake is washed with ether and the combined filtrates evaporated in vacuo to a residue which is dissolved in 30% ethyl acetate in methylene chloride and passed through a pad of hydrous magnesium silicate. The filtrate is evaporated in vacuo to a residue which is dissolved in 30% ethyl acetate in methylene chloride and passed through a pad of hydrous magnesium silicate. The filtrate is evaporated in vacuo to a residue to give 1.60 g of yellow crystalline product, m.p. 180°-183° C.

Aufarbeitung

  1. temperatureis heated for on a steam bath for 2 hours
  2. customThe volatiles are evaporated in vacuo to a residue which
  3. filtrationfiltered
  4. washThe cake is washed with ether
  5. customthe combined filtrates evaporated in vacuo to a residue which
  6. dissolutionis dissolved in 30% ethyl acetate in methylene chloride
  7. customThe filtrate is evaporated in vacuo to a residue which
  8. dissolutionis dissolved in 30% ethyl acetate in methylene chloride
  9. customThe filtrate is evaporated in vacuo to a residue

Quellen und Nachweise

ORD-Eintrag
ord-6530b21b14864ff38f3f266efa748f7a
Quelldatensatz
uspto-grants-1998_11
Patentnummer
US05834461

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