C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 401/10 (2006.01) A61K 31/44 (2006.01) A61K 31/535 (2006.01) A61K 31/55 (2006.01) A61K 31/675 (2006.01) C07D 401/06 (2006.01) C07D 401/14 (2006.01) C07D 405/06 (2006.01) C07D 405/10 (2006.01) C07D 409/06 (2006.01) C07D 409/10 (2006.01) C07D 413/14 (2006.01) C07F 9/6558 (2006.01)
Patent
CA 2055947
A condensed heterocyclic derivative of the formula (I): (see formula I) wherein X is an oxygen atom, a sulfuir atom or R1-N< wherein R1 is a hydrogen atom, a hydrocarbon group which may be substituted or an acyl group which may be substituted; R2 is a hydrogen atom or a hydrocarbon group which may be substituted; ring A is a benzene ring which may be substituted, k is a whole number of 0 to 3; m is a whole number of 1 to 8; and n is a whole number of 1 to 6, or a salt thereof exhibiting high colinesterase inhibitory activity, and a method for producing the same.
Goto Giichi
Ishihara Yuji
Miyamoto Masaomi
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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