Chiral C2 and C1 symmetric (cyclooctane-1,5-diyl)bis(2-pyrazolyl)borate complexes of potassium and thallium. Preparation, structures and solution behavior

Abstract

The preparation, structures and solution behavior of {(cyclooctane-1,5-diyl)bis[(4S,7R)-7,8,8-trimethyl-4,5,6,7-tetrahydro-4,7-methano-2H-indazol-2-yl]borato-κN¹,κN^1′}metal, where metal=K, 1, or Tl, 2, {(cyclooctane-1,5-diyl)[(4S,7R)-7,8,8-trimethyl-4,5,6,7-tetrahydro-4,7-methano-2H-indazol-2-yl][(4S,7R)-7,8,8-trimethyl-4,5,6,7-tetrahydro-4,7-methano-2H-indazol-2-yl]borato-κN¹,κN^1′}potassium–tetrahydrofuran(1/3), 3·3THF, and {(cyclooctane-1,5-diyl)bis[(4R,7R)-7-isopropyl-4-methyl-4,5,6,7-tetrahydro-2H-indazol-2-yl]borato-κN¹,κN^1′}potassium–tetrahydrofuran(1/4), 4·4THF, are reported.