C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/602, 260/582
C07C 69/78 (2006.01) C07C 45/60 (2006.01) C07C 45/67 (2006.01) C07C 49/517 (2006.01) C07C 49/753 (2006.01) C07C 219/24 (2006.01) C07D 309/12 (2006.01)
Patent
CA 1335894
Image wherein y1 stands for hydroxyl group and y2 stands for hydrogen atom, or y1 and y2 are jointly combined to be a bond between carbon and carbon atoms, and R1 is a protective group for hydroxyl group, are useful as a starting material for producing valienamine, valiolamine and their N-substituted derivatives. Valienamine, valiolamine and their N-substituted derivatives have an inhibitory activity against .alpha.-glucosidase and are useful as prophylactic or therapeutic agents of hyperglycemic symptoms in man and other animals and various disorders caused by hyperglycemia such as diabetes, obesity, hyperlipemia, etc.
531094
Fukase Hiroshi
Horii Satoshi
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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