Abstract: A compound of formula (I): or a salt, solvate and chemically protected form thereof, wherein: R5 is an optionally substituted C5-20 aryl or C4-20 alkyl group; A is selected from the group consisting of: wherein X and Y are selected from the group consisting of: O and CR3; S and CR3; NH and CR3; NH and N; O and N; S and N; N and S; and N and O, and where the dotted lines indicate a double bond in the appropriate location, and where Q is either N or CH; R3 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl and C5-7 aryl-C1-4 alkyl groups; R4 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl and C5-7 aryl-C1-4 alkyl groups; R6 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl and C5-7 aryl-C1-4 alkyl groups; D is selected from: B is selected from the group consisting of: where RN? is selected from H and C1-4 alkyl; where one of RP3 and RP4 is —Cm alkylene-R2 and the other of RP3

Abstract: A compound of formula (I): or a salt, solvate and chemically protected form thereof, wherein: R5 is an optionally substituted C5-20 aryl or C4-20 alkyl group; A is selected from the group consisting of: wherein X and Y are selected from the group consisting of: O and CR3; S and CR3; NH and CR3; NH and N; O and N; S and N; N and S; and N and O, and where the dotted lines indicate a double bond in the appropriate location, and where Q is either N or CH; R3 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl and C5-7 aryl-C1-4 alkyl groups; R4 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl and C5-7 aryl-C1-4 alkyl groups; R6 is selected from H, F, Cl and optionally substituted C1-4 alkyl, C1-4 alkoxy, C5-7 aryl and C5-7 aryl-C1-4 alkyl groups; D is selected from: B is selected from the group consisting of: where RN? is selected from H and C1-4 alkyl; where one of RP3 and RP4 is —Cm alkylene-R2 and t

Abstract: Compounds of Formula (I) wherein R, R.sup.1, R.sup.2 and R.sup.9 are as herein defined, processes for their preparation and transition metal complexes comprising such compounds are disclosed. The complexes may be attached to insoluble supports and are useful as asymetric catalysts.