Diisopropylethylamine → Ro3280

HRID 1676604Notes

Reaction equation

HRID 1676604 reaction equation
[CH:1]1([N:6]2[CH2:12][C:11]([F:14])([F:13])[C:10](=[O:15])[N:9]([CH3:16])[C:8]3[CH:17]=[N:18][C:19]([NH:21][C:22]4[CH:30]=[CH:29][C:25]([C:26](O)=[O:27])=[CH:24][C:23]=4[O:31][CH3:32])=[N:20][C:7]2=3)[CH2:5][CH2:4][CH2:3][CH2:2]1.C(N(C(C)C)C(C)C)C.[NH2:42][CH:43]1[CH2:48][CH2:47][N:46]([CH3:49])[CH2:45][CH2:44]1>CN(C)C=O>[CH:1]1([N:6]2[CH2:12][C:11]([F:14])([F:13])[C:10](=[O:15])[N:9]([CH3:16])[C:8]3[CH:17]=[N:18][C:19]([NH:21][C:22]4[CH:30]=[CH:29][C:25]([C:26]([NH:42][CH:43]5[CH2:48][CH2:47][N:46]([CH3:49])[CH2:45][CH2:44]5)=[O:27])=[CH:24][C:23]=4[O:31][CH3:32])=[N:20][C:7]2=3)[CH2:5][CH2:4][CH2:3][CH2:2]1

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 27375314-Amino-1-methylpiperidineHCID 252529054-(9-Cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[5,4-b][1,4]diazepin-2-ylamino)-3-methoxybenzoic acid

Product 1

HCID 25015677Ro3280Yield 47.7%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a mixture of 0.10 g (0.22 mmole) of 4-(9-cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-3-methoxy-benzoic acid (I-22), 0.16 mL (0.90 mmole) of ethyldiisopropyl amine and 0.028 g (0.25 mmole) of 4-amino-1-methyl-piperidine in 3.0 mL of dimethylformamide was added 0.11 g (0.25 mmole) of 1-(di-1-pyrrolidinylmethylene)-1H-benzotriazolium 3-oxide hexafluorophosphate. The mixture was stirred at room temperature for 1 hour, then diluted with 10 mL of ice water. The resulting solid was collected by filtration, washed with saturated sodium carbonate and water, and dried under vacuum. Purification by silica gel chromatography, eluting with dichloromethane-methanol (gradient, 100:0-90:10) gave 0.057 g of 4-(9-cyclopentyl-7,7-difluoro-5-methyl-6-oxo-6,7,8,9-tetrahydro-5H-pyrimido[4,5-b][1,4]diazepin-2-ylamino)-3-methoxy-N-(1-methyl-piperidin-4-yl)-benzamide (I-59) as a white solid.

Workup

  1. filtrationThe resulting solid was collected by filtration
  2. washwashed with saturated sodium carbonate and water
  3. customdried under vacuum
  4. customPurification by silica gel chromatography
  5. washeluting with dichloromethane-methanol (gradient, 100:0-90:10)

Sources & evidence

ORD record
ord-9ed7558974654af58b23627f0871e98e
Source dataset
uspto-grants-2011_08
Patent number
US08003785B2

Reaction notes

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