Water → (R)-2-{2-[4-(4-chloro-phenyl)-piperazin-1-yl]-5-oxo-6,7-dihydro-5H-5lambda4-thieno[3,2-d]pyrimidin-4-ylamino}-2-phenyl-ethanol

HRID 70102

Reaction equation

HRID 70102 reaction equation
Cl[C:2]1[C:3]2[S:23](=[O:24])[CH2:22][CH2:21][C:4]=2[N:5]=[C:6]([N:8]2[CH2:13][CH2:12][N:11]([C:14]3[CH:19]=[CH:18][C:17]([Cl:20])=[CH:16][CH:15]=3)[CH2:10][CH2:9]2)[N:7]=1.[C:25]1([C@H:31]([CH2:33][OH:34])[NH2:32])[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1.C(N(C(C)C)CC)(C)C.O>O1CCOCC1.CS(C)=O>[Cl:20][C:17]1[CH:18]=[CH:19][C:14]([N:11]2[CH2:12][CH2:13][N:8]([C:6]3[N:7]=[C:2]([NH:32][C@H:31]([C:25]4[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=4)[CH2:33][OH:34])[C:3]4[S:23](=[O:24])[CH2:22][CH2:21][C:4]=4[N:5]=3)[CH2:9][CH2:10]2)=[CH:15][CH:16]=1

Participants

7

Reactant 4

HCID 962WaterHCID 81531DiisopropylethylamineHCID 2724025(R)-beta-aminophenethyl alcoholHCID 594758954-Chloro-2-[4-(4-chloro-phenyl)-piperazin-1-yl]-6,7-dihydro-thieno[3,2-d]pyrimidine 5-oxide

Product 1

HCID 59708479(R)-2-{2-[4-(4-chloro-phenyl)-piperazin-1-yl]-5-oxo-6,7-dihydro-5H-5lambda4-thieno[3,2-d]pyrimidin-4-ylamino}-2-phenyl-ethanol

Reagents, catalysts & solvents 2

HCID 679Dimethyl SulfoxideSolventHCID 312751,4-DioxaneSolvent

Conditions

Temperature
120 °C

Procedure

220 mg 4-chloro-2-[4-(4-chloro-phenyl)-piperazin-1-yl]-6,7-dihydro-thieno[3,2-d]pyrimidine 5-oxide (cf Example 124), 157.48 mg (R)-(−)-2-phenylglycinol and 197.52 μl diisopropylethylamine are placed in 4 ml dioxane, heated to 120° C. in the microwave for 0.3 hours. Then the reaction mixture is mixed with water, the precipitate formed is suction filtered, washed and dried. The diastereomers are separated by preparative HPLC (method B). 52.8 mg of Diastereomer 1 (Example 49) and 42.0 mg of Diastereomer 2 (Example 56) are obtained as a powder. 1H NMR (400 MHz, DMSO): Diastereomer 1: 7.41-7.35 (m, 2H), 7.35-7.28 (m, 2H), 7.28-7.19 (m, 3H), 6.99-6.92 (m, 2H); Diastereomer 2: 7.42-7.35 (m, 2H), 7.33-7.15 (m, 5H), 6.99-6.92 (m, 2H).

Workup

  1. customthe precipitate formed
  2. filtrationfiltered
  3. washwashed
  4. customdried
  5. customThe diastereomers are separated by preparative HPLC (method B)
  6. custom52.8 mg of Diastereomer 1 (Example 49) and 42.0 mg of Diastereomer 2 (Example 56) are obtained as a powder

Sources & evidence

ORD record
ord-b85e78a599bd45b0b555cdc6586ca07e
Source dataset
uspto-grants-2014_09
Patent number
US08822474B2

Linked notes

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