Several secondary amines exhibit promising macrofilaricidal response in viv
o through oral route of administration against Acanthocheilonema viteae in
which N-hexylcyclohexylamine (1) shows 100% macrofilaricidal activity while
a tertiary amine such as 9 elicits predominantly microfilaricidal (93%) re
sponse. (C) 2000 Elsevier Science Ltd. All rights reserved.