Patent ID: 6696436
Filing Date: 2004-02-24
Classification: C07J

Abstract:
A compound of formula wherein:A is selected from the group consisting of CH2, NR4, C&boxH;O, C&boxH;NOH, CHNHCR5 and CHOH; B is selected from the group consisting of CH2 and C&boxH;O; R1 is selected from the group consisting of H, methyl, ethyl, n-propyl, i-propyl, cyclopropyl, cyclopropylmethyl, 1-propenyl, allyl, and vinyl; R2 and R4 are selected from the group consisting of H, methyl, ethyl, n-propyl, i-propyl, acetyl, propionyl, butyryl, cyclopropanecarbonyl, and isobutyryl; R3 is selected from the group consisting of H, acetyl, propionyl, butyryl, cyclopropanecarbonyl, and isobutyryl; and R5 is selected from the group consisting of H, methyl, ethyl, n-propyl, i-propyl, acetyl, propionyl, butyryl, cyclopropanecarbonyl, and isobutyryl.