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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 13, Number 6
BKCSDE 13(6)
June 20, 1992

Title	Functionalized Organometallic Ligand (1) Synthesis of Some Ferrocene Derivatives of Cyclohexyl- and Cyclopentadienyl-phosphines
Author	Tae-Jeong Kim*, Yong-Hoon Kim, Hong-Seok Kim, Sang-Chul Shim, Young-Woo Kwak, Jin-Soon Cha, Hyung-Soo Lee, Jae-Kook Uhm, Sang-In Byun
Keywords
Abstract	A series of new ferrocene derivatives containing cyclohexylphosphines have been prepared from the reactions of lithioferrocenes with corresponding chlorodicyclohexylphosphines. 1-diphenylphosphino-1'-dicyclohexylphosphinoferro cene has been prepared from [1]-ferrocenophane via a ring cleavage reaction. Chiral ferrocenylaminophosphines incorporating cyclohexyl-and cyclopentadienylphosphines have also been prepared from the chiral template 2-N,N-dimethylaminoethylferrocene (FA) via stereoselective lithiation followed by phosphination with corresponding R2PCl(R= C6H11, C5H5). The synthesis of cyclopentadienylphosphine derivative of (R)-FA (6b) led to the formation of a mixture of four diastereomers due to the presence of three chiral sources in the final product in addition to the fluxional behavior of the η1-C5H5 group attached to the phosphorus. All these new compounds have been characterized by analytical and spectroscopic techniques.
Page	588 - 592
Full Text	PDF

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