摘要 |
A compound having the formula (I): wherein: each R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3 </SUP>and R<SUP>4 </SUP>are independently selected from (C<SUB>1</SUB>-C<SUB>10</SUB>)-straight or branched alkyl, Ar-substituted- (C<SUB>1</SUB>-C<SUB>10</SUB>)-straight or branched alkyl, (C<SUB>2</SUB>-C<SUB>10</SUB>)-straight or branched alkenyl or alkynyl, or Ar-substituted-(C<SUB>2</SUB>-C<SUB>10</SUB>)-straight or branched alkenyl or alkynyl; wherein one to two CH<SUB>2 </SUB>groups of said alkyl, alkenyl, or alkynyl chains in each of R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3 </SUP>and R<SUP>4 </SUP>are optionally and independently replaced with O, S, S(O), S(O), S(O)<SUB>2</SUB>, C(O) or N(R<SUP>5</SUP>) in a chemically stable arrangement, wherein the CH<SUB>2 </SUB>group of R<SUP>1 </SUP>and R<SUP>2 </SUP>bound directly to said nitrogen cannot be replaced with C(O); or R<SUP>1 </SUP>and R<SUP>2 </SUP>taken together form a 4 to 7 membered ring; or R<SUP>3 </SUP>and R<SUP>4 </SUP>taken together form a 3 to 7 membered ring; wherein a CH<SUB>2 </SUB>in either the R<SUP>1 </SUP>and R<SUP>2 </SUP>ring system or the R<SUP>3 </SUP>and R<SUP>4 </SUP>ring system is independently and optionally replaced with O, C(O), N(R<SUP>5</SUP>), S, S(O), S(O)2 in a chemically stable arrangement; or wherein either or both of the R<SUP>1 </SUP>and R<SUP>2 </SUP>ring system and the R<SUP>3 </SUP>and R<SUP>4 </SUP>ring system is optionally fused with Ar. These compounds are useful for treating or preventing neuronal damage, particularly damage associated with neurological diseases. These compounds are also useful for stimulating nerve growth. The invention also provides compositions comprising these compounds, and methods of utilizing those compositions for treating or preventing neuronal damage or for stimulating nerve growth. |