Δ23-FK-506(>90%)

15,19-Epoxy(5E,9E)-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 8,11,12,13,14,15,16,17,18,19,24,25,26,26a-tetradecahydro-19-hydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propen-1-yl)-, (3S,4R,8R,12S,14S,15R,16S,18R,19R,26aS)-; 15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone, 8,11,12,13,14,15,16,17,18,19,24,25,26,26a-tetradecahydro-19-hydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propenyl)-, [3S-[3R*[E(1S*,3S*,4S*)],4S*,5E,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,26aR*]]- (9CI); (3S,4R,8R,12S,14S,15R,16S,18R,19R,26aS)-8,11,12,13,14,15,16,17,18,19,24,25,26,26a-Tetradecahydro-19-hydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propen-1-yl)-15,19-epoxy(5E,9E)-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone; Δ23-FK 506; delta23-FK-506

CO[C@@H]1C[C@@H](CC[C@H]1O)\C=C(/C)\[C@H]2OC(=O)[C@@H]3CCCCN3C(=O)C(=O)[C@]4(O)O[C@H]([C@H](C[C@@H](C)C\C(=C\[C@@H](CC=C)C(=O)\C=C\[C@H]2C)\C)OC)[C@H](C[C@H]4C)OC

InChI=1S/C44H67NO11/c1-10-13-32-21-26(2)20-27(3)22-37(53-8)40-38(54-9)24-30(6)44(51,56-40)41(48)42(49)45-19-12-11-14-33(45)43(50)55-39(28(4)15-17-34(32)46)29(5)23-31-16-18-35(47)36(25-31)52-7/h10,15,17,21,23,27-28,30-33,35-40,47,51H,1,11-14,16,18-20,22,24-25H2,2-9H3/b17-15+,26-21+,29-23+/t27-,28+,30+,31-,32+,33-,35+,36+,37-,38-,39-,40+,44+/m0/s1