Patent ID: 6579997
Filing Date: 2003-06-17
Classification: B01J,C07C,C07F

Abstract:
A metallacrown ether ligand having the formula where Y is a chiral &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;mâ€”Zâ€”R5&Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m, â€”R5&Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;mZâ€”, â€”Zâ€”R5&Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m, â€”Zâ€”R5&Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;mâ€”Zâ€”, n is an integer between 1 and 6 inclusive, m is an integer between 1 and 8 inclusive, Z is oxygen or NR9, R1-R4 are each independently C1-C6 alkyl, C1-C6 alkoxyl, C2-C6 alkenyl, aromatic cyclics and substituent-containing forms thereof where the substituent is C0-C6 alkyl, fluoro, chloro, bromo, hydroxyl, carboxyl, sulfonyl and other nitrogen, oxygen or sulfur containing moieties; or two of the groups R1, R2, R3 and R4 are fused to form biaryl, biphenoxy, binaphtoxy, phenanthrenoxy and substituent-containing forms thereof where the substituent is C0-C6 alkyl, fluoro, chloro, bromo, hydroxyl, carboxyl, sulfonyl and other nitrogen, oxygen or sulfur containing moieties, R6, R7 and R9 are each independently hydrogen, C1-C6 alkyl, C1-C6 alkoxy heteroatom substituted C1-C6 alkyl where the heteroatom is O, N, S, F, Cl and Br, two of R6, R7 and R9 are fused with the common carbon center to form a 3-6 carbocyclic ring structure, and R5 is â€”ZR8â€”, biphenoxy-R8, binaphtoxy-R8, phenanthrenedioxy-R8, anthracenedioxy-R8, &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m biphenoxy R8, &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m binaphtoxy R8, &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m phenanthrenedioxy-R8 and &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m anthracenedioxy R8, biphendiamino-R8, binaphtdiamino-R8, phenanthrenediamino-R8, anthracenediamino-R8, &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m biphendiamino R8, &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m binaphtdiamino R8, &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m phenanthrenediamino-R8 and &Brketopenst;Zâ€”(â€”CR6R7)n&Brketclosest;m anthracenediamino R8 and substituted forms thereof where the substituent is C0-C6 alkyl, fluoro, chloro, bromo, hydroxyl, carboxyl, sulfonyl and other nitrogen, oxygen or sulfur containing moieties; and two of the groups R1, R2, R3 and R4 are fused to form biphenoxy, binaphtoxy, phenanthrenoxy and substituted forms thereof where the substituent is C0-C6 alkyl, fluoro, chloro, bromo, hydroxyl, carboxyl, sulfonyl and other nitrogen, oxygen or sulfur containing moieties. R8 is C1-C6 alkyl, C1-C6 alkoxyl, C2-C6 alkenyl, aromatic cyclics and substituent-containing forms thereof where the substituent is C0-C6 alkyl, fluoro, chloro, bromo, hydroxyl, carboxyl, sulfonyl and other nitrogen, oxygen or sulfur containing moieties.