Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
권호 표지

Synthesis and Structural Characterization of Optically Active Bis(L-Prolinato)(2,2'-bipyridine)Co(Ⅲ) and Bis(L-Prolinato)(1,10-phenanthroline)Co(Ⅲ)

광학활성 비스(L-Prolinato)(2,2'-bipyridine)코발트(Ⅲ)와 비스(L-Prolinato)(1,10-phenanthroline)코발트(Ⅲ)의 합성과 구조적인 특성

  • Oh, Chang Eon (Department of Chemistry, Yeungnam University) ;
  • Kim, Bok Jo (Department of Chemistry, Yeungnam University) ;
  • Yoon, Doo Cheon (Department of Chemistry, Yeungnam University) ;
  • Doh, Myung Ki (Department of Chemistry, Yeungnam University) ;
  • Heo, Nam Ho (Department of Industrial Chemistry, Kyungpook National University)
  • 오창언 (영남대학교 이과대학 화학과) ;
  • 김복조 (영남대학교 이과대학 화학과) ;
  • 윤두천 (영남대학교 이과대학 화학과) ;
  • 도명기 (영남대학교 이과대학 화학과) ;
  • 허남호 (경북대학교 공과대학 공업화학과)
  • Published : 19950900
Download PDF
⟨ Previous Next ⟩

Abstract

Reaction between trans-$[Co(py)_4/Ci_2]^+(py=pyridine)$ and L-proline and diimine (=2,2'-bipyridine, 1,10-phenanthroline) gives two products, $[Co(L-pro)_2/(bipy)]^+$ and $[Co(L-pro)_2(phen)]^+$ complexes, respectively. On column chromatography, $[Co(L-pro)_2(bipy)]^+$ was obtained only as $Lambda$-trans(N) and $[Co(L-pro)_2(phen)]^+$ was obtained both as ${\Delta}$-trans(N) and $Lambda$-cis(O)cis(N) due to the stereoselectivity of L-prolinato which was stereospecific. Crystal data are as follows: $Lambda$-trans(N)-$[Co(L-pro)_2(bipy)]CIO_4{\cdot}2H_2O$ (1): monoclinic, space group $P2_1(#4)$, a=9.807(3), b=10.421(1), c=12.778(2) ${\AA}$, ${\beta}=109.90(2)^{\circ}$, V=1227.8(5) ${\AA}^3$, Z=2; 1571 data with I > 3.0${\sigma}$(I) were refined to R=0.060, $R_W = 0.067$; ${\Delta}$-trans(N)-$[Co(L-pro)_2(phen)]Cl{\cdot}_3H_2O$(2): monoclinic, space group $P2_1(#4)$, a=9.838(2), b=12.892(2), c=10.747(2)${\AA}$, ${\beta}=113.79(2)^{\circ}$, V=1247.2(4) ${\AA}^3$, Z=2; 2433 data with I > 3.0${\sigma}$(I) were refined to R=0.043, $R_W = 0.050$.

Trans-$[Co(py)_4/Ci_2]^+(py=pyridine)$과 L-proline 및 diimine(=2,2'-bipyridine,1,10-phenanthroline)과의 반응에서 $[Co(L-pro)_2/(bipy)]^+$(L-pro=bipy=2,2'-bipyridine)과 $[Co(L-pro)_2(phen)]^+$(phen=1,10-phenathroline)이 각각 생성되었다. 관 크로마토그래피상에서 입체특이성을 가지는 L-prolinato의 입체선택성으로 인하여 $[Co(L-pro)_2(bipy)]^+$에서는 $Lambda$-trans(N)만이 얻어졌고 $[Co(L-pro)_2(bipy)]^+$에서는 ${\Delta}$-trans(N)과 $Lambda$-cis(O)cis(N)이 얻어졌다. 결정구조 연구의 결과는 다음과 같다: $Lambda$-trans(N)-$[Co(L-pro)_2(bipy)]CIO_4{\cdot}2H_2O$ (1): monoclinic, space group $P2_1(#4)$, a = 9.807(3), b = 10.421(1), c = 12.778(2)${\AA}$, ${\beta}=109.90(2)^{\circ}$, V = 1227.8(5)${\AA}^3$, Z = 2; 1571 data(I>3.0${\sigma}$(I)) R = 0.060 and $R_W = 0.067$; ${\Delta}$-trans(N)-$[Co(L-pro)_2(phen)]Cl{\cdot}_3H_2O$ (2): monoclinic, space group $P2_1(#4)$, a = 9.838(2), b = 12.892(2), c = 10.747(2)${\AA}$, ${\beta}=113.79(2)^{\circ}$, V = 1247.2(4)${\AA}^3$, Z = 2; 2433 data(I>3.0${\sigma}$(I)) R = 0.043 and $R_W = 0.050$.

Keywords

References

  1. Inorg. Chem. v.21 Miyanaga, A.;Sakaguchi, U,;Morimoto, Y.;Kushi, Y.;Yoneda, H.
  2. Acta Crystallogr., Sect. C. v.C44 Dewan, J. C.
  3. Acta Crystallogr., Sect. B. v.34 Herak, R.;Prelesnik, B.;Krstanovic, I.
  4. J. Chem. Soc., Chem. Commun. Drew, M. G. B.;Dunlop, J. H.;Gillard, R. D.;Rogers, D.
  5. Acta. Chem. Scand. v.A32 Soling, H.
  6. Inorg. Chem. v.32 Magill, C. P.;Floriani, C.;Chiesi-Villa, A.;Rizzoli, C.
  7. Inorg. Chem. v.10 Bryan, R. F.;Greene, P. T.;Stokely, P. F.;Wilsom, Jr., E. W.
  8. Inorg. Chem. v.33 Magill, C. P.;Floriani, C.;Chiesi-Villa, A.;Rizzoli, C.
  9. Ber. v.39 Werber, A.;Feenstra, R.
  10. International Tables for X-ray Crystallography v.Ⅳ Cromer, D. T.;Waber, J. T.
  11. Internaitonal Tables for X-ray Crystallography v.Ⅳ Cromer, D. T.
  12. Molen Structural Analyssi Package