Method of enhancing memory or correcting memory deficiency...

Details Method of enhancing memory or correcting memory deficiency... Method of enhancing memory or correcting memory deficiency...

A - Human Necessities

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A61K 31/435 (2006.01) A61K 31/44 (2006.01) A61K 31/445 (2006.01) A61K 31/495 (2006.01) A61K 31/50 (2006.01) C07D 453/02 (2006.01)

Patent

CA 1273297

ABSTRACT OF THE DISCLOSURE A pharmaceutical drug for improving memory or correcting memory deficiency is disclosed, utilizing compounds having the formula: Image wherein n1, n2, n3, and n4 = 0 to 3: R1, R2, R3, and R4 = H, loweralkyl or phenyl; R5 = H or loweralkyl, X = O or S; Ar = phenyl, substituted phenyl, pyridinyl, furanyl, thienyl, methoxy-1H-benzotriazolyl, indolinyl, methoxy- indolinyl, methoxypyrimidinyl, amino-methoxypyrimadinyl, 1,3-benzodioxolyl, or naphthalenyl, and the pharmaceutically acceptable acid addition salts, hydrates and alcoholates thereof.

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