C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
167/205, 260/370
C07C 405/00 (2006.01) A61K 31/557 (2006.01) C07C 317/24 (2006.01) C07C 323/22 (2006.01) C07D 303/32 (2006.01) C07D 303/40 (2006.01) C07F 7/18 (2006.01)
Patent
CA 1332603
2-SUBSTITUTED-2-CYCLOPENTENONES ABSTRACT OF THE DISCLOSURE 2-Substituted-2-cyclopentenones represented by the formula (I): Image ...(I) wherein A is a hydroxyl group or Image and B is a hydrogen atom or A and B are bonded together to form one bonding arm; R1 represents a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms; R2 represents a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 10 carbon atoms; R3 represents a substituted or unsubstituted aliphatic hydrocarbon group having l to 10 carbon atoms; wherein, when R3 is a single bond bonded to the cyclo- pentene skeleton, X represents a hydrogen atom, a hydroxyl group or a protected hydroxyl group; and when R3 is a double bond bonded to the pentene skeleton, X represents a bonding arm constituting a part of said double bond; and m and n independently represent 0, 1 or 2.
597198
Hazato Atsuo
Kato Yoshinori
Koshihara Yasuko
Kurozumi Seizi
Minoshima Toru
Mcfadden Fincham
Teijin Limited
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