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4-amino-N-(2-(dimethylamino)ethyl)benzamide → 4-(9-cyclohexyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-N-(2-dimethylamino-ethyl)-benzamide

HRID 1676795
Notes
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Reaction equation

HRID 1676795 reaction equation
Cl[C:2]1[N:3]=[CH:4][C:5]2[N:11]([CH3:12])[C:10](=[O:13])[C:9]([F:15])([F:14])[CH2:8][N:7]([CH:16]3[CH2:21][CH2:20][CH2:19][CH2:18][CH2:17]3)[C:6]=2[N:22]=1.O.C1(C)C(S(O)(=O)=O)=CC=CC=1.[NH2:35][C:36]1[CH:49]=[CH:48][C:39]([C:40]([NH:42][CH2:43][CH2:44][N:45]([CH3:47])[CH3:46])=[O:41])=[CH:38][CH:37]=1>C(O)(C)C>[CH:16]1([N:7]2[CH2:8][C:9]([F:15])([F:14])[C:10](=[O:13])[N:11]([CH3:12])[C:5]3[CH:4]=[N:3][C:2]([NH:35][C:36]4[CH:49]=[CH:48][C:39]([C:40]([NH:42][CH2:43][CH2:44][N:45]([CH3:46])[CH3:47])=[O:41])=[CH:38][CH:37]=4)=[N:22][C:6]2=3)[CH2:21][CH2:20][CH2:19][CH2:18][CH2:17]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 4282144-amino-N-(2-(dimethylamino)ethyl)benzamideHCID 124969952-Methylbenzenesulfonic acid hydrateHCID 579555542-Chloro-9-cyclohexyl-7,7-difluoro-5-methyl-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one

Product 1

HCID 580151344-(9-cyclohexyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-N-(2-dimethylamino-ethyl)-benzamideYield 66.8%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Procedure

A mixture of 0.0562 g (0.18 mmole) 2-chloro-9-cyclohexyl-7,7-difluoro-5-methyl-5,7,8,9-tetrahydro-pyrimido[4,5-b][1,4]diazepin-6-one (VII-246), 0.0514 g (0.27 mmole) of toluenesulfonic acid monohydrate, 0.0373 g (0.18 mmole) of 4-amino-N-(2-dimethylamino-ethyl)-benzamide and 1 mL of isopropanol was heated in a sealed vessel at 140 degrees for 15.5 hours, cooled and concentrated under reduced pressure. The residue taken up in ethyl acetate and washed successively with 50 mL of saturated aqueous sodium bicarbonate, 50 mL of water, 50 mL of brine. The organic layer was dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel chromatography, eluting with acetonitrile-methanol-triethylamine (80:20:1) to give 0.0603 g of 4-(9-cyclohexyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-N-(2-dimethylamino-ethyl)-benzamide (I-264)

Workup

  1. temperaturewas heated in a sealed vessel at 140 degrees for 15.5 hours
  2. temperaturecooled
  3. concentrationconcentrated under reduced pressure
  4. washwashed successively with 50 mL of saturated aqueous sodium bicarbonate, 50 mL of water, 50 mL of brine
  5. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was purified by silica gel chromatography
  9. washeluting with acetonitrile-methanol-triethylamine (80:20:1)

Sources & evidence

ORD record
ord-31d02412e0a94ee2ba20812db2cc1684
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08003785B2

Reaction notes

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