(R)-3,3-Dimethyl-2-aminobutane → (R)-3-[3,5-bis(trifluoromethyl)phenylamino]-2-(4-chlorophenylsulfonyl)-3-(1,2,2-trimethylpropylamino)-2-propenenitrile

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Reaction Steps

3-(3,5-Bis(trifluoromethyl)phenylamino)-2-(4-chloro-phenylsulfonyl)-3-methylsulfanyl-2-propenenitrile (0.300 g, 0.6 mmol) was stirred in (R)-1,2,2-trimethylpropylamine (1 ml) for 17 h at 75° C. under nitrogen. Work-up as described in Example 17, 2) gave 131 mg (39%) of the title compound. Mp 164-165° C. 1H NMR (200 MHz, CDCl3): δ=0.9 (s, 9H), 1.0 (d, 3H), 3.0 (m, 1H), 7.37 (s, 2H), 7.50 (d, 2H), 7.68 (s, 1H), 7.80 (d, 2H); Analysis: calc. for C23H22ClF6N3O2S: C, 49.87%; H, 4.00%; N, 7.59%. Found: C, 49.95%; H, 4.15%; N, 7.48%.

Provenance & Evidence