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O-Phenylenediamine → N-[4-morpholin-4-yl-6-(3-morpholin-4-yl-azetidin-1-ylmethyl)-thieno[3,2-d]pyrimidin-2-yl]benzene-1,2-diamine

HRID 1922936
Notes
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Reaction equation

HRID 1922936 reaction equation
Cl[C:2]1[N:3]=[C:4]([N:22]2[CH2:27][CH2:26][O:25][CH2:24][CH2:23]2)[C:5]2[S:10][C:9]([CH2:11][N:12]3[CH2:15][CH:14]([N:16]4[CH2:21][CH2:20][O:19][CH2:18][CH2:17]4)[CH2:13]3)=[CH:8][C:6]=2[N:7]=1.[NH2:28][C:29]1[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=1[NH2:35].C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.CC(O)=O.CC(O)=O.[Pd]>[N:22]1([C:4]2[C:5]3[S:10][C:9]([CH2:11][N:12]4[CH2:15][CH:14]([N:16]5[CH2:21][CH2:20][O:19][CH2:18][CH2:17]5)[CH2:13]4)=[CH:8][C:6]=3[N:7]=[C:2]([NH:28][C:29]3[C:30]([NH2:35])=[CH:31][CH:32]=[CH:33][CH:34]=3)[N:3]=2)[CH2:27][CH2:26][O:25][CH2:24][CH2:23]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 7243O-PhenylenediamineHCID 10796Cesium carbonateHCID 634876Binap, (A+-)-HCID 596053422-Chloro-4-morpholin-4-yl-6-(3-morpholin-4-ylazetidin-1-ylmethyl)thieno[3,2-d]pyrimidine

Product 1

HCID 59606113N-[4-morpholin-4-yl-6-(3-morpholin-4-yl-azetidin-1-ylmethyl)-thieno[3,2-d]pyrimidin-2-yl]benzene-1,2-diamine
Yield 66%

Reagents, catalysts & solvents 2

HCID 4144353Palladium (II) acetateCatalystHCID 312751,4-DioxaneSolvent

Procedure

A degassed mixture of 2-chloro-4-morpholin-4-yl-6-(3-morpholin-4-yl-azetidin-1-ylmethyl)thieno[3,2-d]pyrimidine (400 mg, 0.98 mmol), 1,2-diaminobenzene (240 mg, 2.22 mmol), Pd(Oac)2 (64 mg, 0.29 mmol), rac-BINAP (88 mg, 0.14 mmol) and Cs2CO3 (480 mg, 1.47 mmol) in 1,4-dioxane (4 mL)) was subjected to microwave irradiation at 150° C. for 30 minutes. The reaction mixture was cooled to ambient temperature and loaded onto an Isolute® SCX-2 cartridge (25 g). The cartridge was then washed with MeOH and the desired product was subsequently eluted using 2 M NH3 in MeOH. The product was collected and concentrated in vacuo. The resultant residue was purified by flash chromatography (Si—PPC, DCM: 2 M NH3 in MeOH 100:0 to 98:2 to 96:4) to afford N-[4-morpholin-4-yl-6-(3-morpholin-4-yl-azetidin-1-ylmethyl)thieno[3,2-d]pyrimidin-2-yl]benzene-1,2-diamine as a pale yellow oil (310 mg, 66%). LCMS (Method C): RT=2.06 min, [M+H]− 482.4

Workup

  1. customirradiation at 150° C. for 30 minutes
  2. washThe cartridge was then washed with MeOH
  3. washthe desired product was subsequently eluted
  4. customThe product was collected
  5. concentrationconcentrated in vacuo
  6. customThe resultant residue was purified by flash chromatography (Si—PPC, DCM: 2 M NH3 in MeOH 100:0 to 98:2 to 96:4)

Sources & evidence

ORD record
ord-48443c43f9d64f58ab01e9c59d18be93
Source dataset
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08173650B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes