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Volumn 50, Issue 31, 1994, Pages 9355-9364

Stereoselective hydride reductions of chiral 2-p-tolylsulfinylcycloalkanones

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOALKANOL DERIVATIVE; CYCLOHEPTANE DERIVATIVE; CYCLOPENTANONE DERIVATIVE;

EID: 0027982215     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4020(01)85512-5     Document Type: Article
Times cited : (18)

References (23)
  • 15
    • 84913967027 scopus 로고    scopus 로고
    • 3)
  • 16
    • 84913967026 scopus 로고    scopus 로고
    • 2 as the reason of the decreased stereoselectivity.
  • 17
    • 84913967025 scopus 로고    scopus 로고
    • 1, and accurate lattice constants of a = 10.161 (3), b = 11.600 (2), c = 9.869 (2). All unique diffraction maxima [range of hkl, −11 11, −13 13, −11 11] were collected using 2θ:θ scans and CuKα radiation. Of the 2321 reflections measured in this fashion, 2297 were judged observed [I 〉 2σ(I)] and used in subsequent calculations. The structure, solved by direct methods was refined to R = 0.077 and Rw = 0.093 (refinement by least square). The absolute configuration was determined by comparing xyz and -x-y-z refinements. Computer and programs : Vax 750, Multan80, Dirdif, Xray 76System, Pesos, Parst. Tables of atomic coordinates, bond lengths and angles, and thermal parameters (supplementary material) are available on request from the Cambridge Crystallographic Data Center.
  • 18
    • 84913967024 scopus 로고    scopus 로고
    • 2 chelates, where the interactions between the p-Tolyl group and the axial proton at C-3 must be lower than in higher rings (see IIa in Scheme 2), could explain the better results achieved in the case of sulfinyl cyclopentanones 1a and 1b (compare the diastereomers ratios corresponding to entries 2 and 8).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.