ChemInform Abstract: peri‐Naphthylenediamines. Part 12. Elimination of μ‐Carbonyl Groups in 1,3‐Dialkylperimidones and ‐imidazolones. A Convenient Method for the Synthesis of N,N′‐Dialkyl Derivatives of peri‐ and ortho‐Diamines.

Abstract

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Simultaneous Formation of Isomeric and Polycyclic Proton Sponges Derived from 1,8‐Diaminonaphthalenes and Xylylene Dibromides

“…A solution of 1,8‐bis(methylamino)naphthalene ( 15 ) [30] (50 mg, 0.27 mmol), p ‐xylylene dibromide (79 mg, 0.30 mmol) and Et 3 N (0.08 mL, 0.58 mmol) in a mixture of acetonitrile (7 mL) and toluene (1 mL) was stirred at room temperature. After 43 h, the reaction mixture was treated with water (5 mL), 20 % aq KOH (1 mL) and evaporated to dryness.…”

“…, 345 (18), 258 (22), 257 (100), 244 (31), 128 (12), 127 (30), 116 (19), 115 (17), 104 (38), 103 (46), 91 (35), 90 (28), 89 (40), 78 (59), 77 (49), 65 (31), 63 (30), 52 (10), 51 (31), 41 (44), 39 (31).…”