2-Naphthalenecarboxaldehyde → Ethyl 2-(5-naphthalen-2-ylmethylhexahydropyrrolo[3,4-c]pyrrol-2(1H)-yl)pyrimidine-5-carboxylate

HRID 2079817Notes

Reaction equation

HRID 2079817 reaction equation
[CH2:1]1[CH:5]2[CH2:6][NH:7][CH2:8][CH:4]2[CH2:3][N:2]1[C:9]1[N:14]=[CH:13][C:12]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:11][N:10]=1.[CH:20]1[C:29]2[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=2)[CH:23]=[CH:22][C:21]=1[CH:30]=O.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C([O-])(O)=O.[Na+]>ClCCCl.C(Cl)Cl>[CH:20]1[C:29]2[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=2)[CH:23]=[CH:22][C:21]=1[CH2:30][N:7]1[CH2:6][CH:5]2[CH2:1][N:2]([C:9]3[N:14]=[CH:13][C:12]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:11][N:10]=3)[CH2:3][CH:4]2[CH2:8]1

Participants

7

Reactant 4

HCID 62012-NaphthalenecarboxaldehydeHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 59367682Ethyl 2-hexahydropyrrolo[3,4-c]pyrrol-2(1H)-ylpyrimidine-5-carboxylate

Product 1

HCID 59367601Ethyl 2-(5-naphthalen-2-ylmethylhexahydropyrrolo[3,4-c]pyrrol-2(1H)-yl)pyrimidine-5-carboxylateYield 99%

Reagents, catalysts & solvents 2

HCID 111,2-DichloroethaneSolventHCID 6344DichloromethaneSolvent

Procedure

To a solution of ethyl 2-hexahydropyrrolo[3,4-c]pyrrol-2(1H)-ylpyrimidine-5-carboxylate (0.187 g, 0.71 mmol) in DCE (2 ml) was added 2-naphthaldehyde (0.205 g, 1.31 mmol) and sodium triacetoxyborohydride (0.274 g, 1.25 mmol). The mixture was stirred for 3 h, then poured into DCM (100 ml). Sat. NaHCO3 (100 ml) was added, and extracted with further DCM (100 ml). The combined organic extracts were dried (MgSO4), concentrated and purified by flash column chromatography to yield the title compound (0.266 g, 99%). 1H NMR (300 MHz, CDCl3) δ: 1.39 (3H, t, J=6.9 Hz), 2.59 (2H, d, J=6.9 Hz), 2.73-2.90 (2H, m), 2.94-3.10 (2H, m), 3.67 (2H, d, J=11.7 Hz), 3.82 (2H, s), 3.90 (2H, dd, J=8.1, 12 Hz), 4.37 (2H, q, J=7.2 Hz), 7.41-7.43 (3H, m), 7.74 (1H, s), 7.76-7.89 (3H, m), 8.88 (2H, s).

Workup

  1. extractionextracted with further DCM (100 ml)
  2. dry with materialThe combined organic extracts were dried (MgSO4)
  3. concentrationconcentrated
  4. custompurified by flash column chromatography

Sources & evidence

ORD record
ord-e06411dd06744f6babea7f125f036faf
Source dataset
uspto-grants-2011_04
Patent number
US07932246B2

Reaction notes

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