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product

2-(4′-((3aR,6aR)-hexahydropyrrolo[3,4-b]pyrrol-1(2H)-yl)biphenyl-4-yl)pyridazin-3(2H)-one

cyclobutanone

sodium triacetoxyborohydride

→

title compound

2-{4′-[(3aR,6aR)-5-cyclobutylhexahydropyrrolo[3,4-b]pyrrol-1(2H)-yl]-1,1′-biphenyl-4-yl}pyridazin-3(2H)-one

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실험 절차

The product from Example 85B (0.033 g, 0.092 mmol), cyclobutanone (8.00 μL, 0.101 mmol), and sodium triacetoxyborohydride (0.025 g, 0.0.120 mmol) were processed as described in Example 85C to provide the title compound. 1H NMR (300 MHz, CDCl3) δ ppm 7.91 (d, J=1.7 Hz, 1H), 7.63 (s, 4H), 7.50 (d, J=8.5 Hz, 2H), 7.23 (d, J=3.7 Hz, 1H), 7.07 (d, J=8.8 Hz, 1H), 6.65 (d, J=8.5 Hz, 2H), 4.13-4.24 (m, 1H), 3.52 (q, 1H), 3.32 (q, J=7.3 Hz, 1H), 2.74-3.04 (m, 3H), 2.63 (t, 1H), 2.46 (dd, J=9.3, 2.2 Hz, 1H), 2.35 (dd, J=8.8, 4.4 Hz, 1H), 2.06-2.23 (m, 1H), 1.82-2.05 (m, 4H), 1.60-1.80 (m, 3H). MS (ESI+) m/z 413 (M+H)+.

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