@article {7281, title = {STRUCTURAL STUDIES OF ORGANOBORON COMPOUNDS .50. 4-(2-HYDROXY-2,2-DIPHENYLACETYL)-6,6-PENTAMETHYLENE-2-PHENYL-1,3-DIOXA-4 -AZA-2-BORACYCLOHEXANE AND 4-[2,2-DIFLUORO-5,5-BIS(4-METHOXYPHENYL)-1,3-DIOXA-2-BORATA-4-CYCLOPENTY LIDENE]-6,6-PENTAMETHYLENE-2-PHEN}, journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie}, volume = {70}, number = {4}, year = {1992}, note = {ISI Document Delivery No.: JH895Times Cited: 7Cited Reference Count: 53}, month = {Apr}, pages = {1176-1187}, type = {Article}, abstract = {{The preparation of the organoboron compounds 4-(2-hydroxy-2,2-diphenylacetyl)-6,6-pentamethylene-2-phenyl-1,3-dioxa-4 -aza-2-boracyclohexane, 6, 4-(2,2-difluoro-5,5-diphenyl-1,3-dioxa-2-borata-4-cyclopentylidene)-6,6- pentamethylene-2-phenyl-1,3,-dioxa-4-azonia-2-boracyclohexane, 14a, and 4-[2,2-difluoro-5,5-bis(4-methoxyphenyl)-1,3-dioxa-2-borata-4-cyclopenty lidene]-6,6-pentamethylene-2-phenyl-1,3-dioxa-4-azonia-2-boracyclohexane , 14b, are reported. Crystals of 6 are triclinic, P1BAR}, keywords = {ADJACENT ACYL LIGANDS, CARBON BOND FORMATION, COORDINATED MOLECULES, CRYSTAL, HYDROXAMIC ACIDS, LENGTHS, RING}, isbn = {0008-4042}, url = {://A1992JH89500021}, author = {Kliegel, W. and Preu, L. and Schumacher, U. and Rettig, S. J. and Trotter, J.} } @article {7054, title = {STRUCTURAL STUDIES OF ORGANOBORON COMPOUNDS .44. 2,3-DIHYDRO-3-HYDROXY-2,2-TETRAMETHYLENE-4H-BENZOXAZIN-4-ONE AND ITS DIFLUOROBORON CHELATE, 2,2-DIFLUORO-4,4-TETRAMETHYLENE-1,3,5-TRIOXA-3A-AZONIA-2-BORATA-2,3,4,5- TETRAHYDRO-1H-CYCLOPENTA[A]NAPHTHALENE}, journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie}, volume = {69}, number = {4}, year = {1991}, note = {ISI Document Delivery No.: FL979Times Cited: 4Cited Reference Count: 28}, month = {Apr}, pages = {673-680}, type = {Article}, abstract = {{The reaction of 2,3-dihydro-3-hydroxy-2,2-tetramethylene-4H-benzoxazin-4-one, 2, and diethyl ether-boron trifluoride yields the difluoroboron chelate 2,2-difluoro-4,4-tetramethylene-1,3,5-trioxa-3a-azonia-2-borata-2,3,4,5- tetrahydro-1H-cyclopenta[a]naphthalene, 6, in high yield. There are two crystal forms of 2: 2a, triclinic, P1BAR}, keywords = {ADJACENT ACYL LIGANDS, ANALOGS, BORON COMPOUND, CARBON BOND FORMATION, COMPLEXES, COORDINATED MOLECULES, CRYSTAL, crystal structure, organoboron compound, RING}, isbn = {0008-4042}, url = {://A1991FL97900014}, author = {Kliegel, W. and Tajerbashi, M. and Rettig, S. J. and Trotter, J.} }