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Volumn 30, Issue 10, 1991, Pages 1321-1323

2,2‐Dimethyl‐α,α,α′,α′‐tetrakis(β‐naphthyl)‐1,3‐dioxolan‐4,5‐dimethanol (DINOL) for the Titanate‐Mediated Enantioselective Addition of Diethylzinc to Aldehydes

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EID: 33748215418     PISSN: 05700833     EISSN: 15213773     Source Type: Journal    
DOI: 10.1002/anie.199113211     Document Type: Article
Times cited : (157)

References (24)
  • 1
    • 0002098511 scopus 로고
    • Katalytische und stöchiometrische enantioselektive Additionen von Diethylzink an Aldehyde mit Hilfe eines neuartigen chiralen Spirotitanats
    • (1991) Angewandte Chemie , vol.103 , pp. 100
    • Schmidt, B.1    Seebach, D.2
  • 5
    • 84984360285 scopus 로고
    • Enantioselektive Addition von Organometallreagentien an Carbonylverbindungen: Übertragung, Vervielfältigung und Verstärkung der Chiralität
    • 2Zn additions to aldehydes, see
    • (1991) Angewandte Chemie , vol.103 , pp. 34-55
    • Noyori, R.1    Kitamura, M.2
  • 17
    • 84990109242 scopus 로고    scopus 로고
    • 3): 5 M.p. 51°C, [α] DRT = −59.5; epi‐ 5: meso‐configuration, m.p. 1145°C, [α] DRT = + 0.3; 6: M.p. 59°C, ([α] DRT = −59.7).
  • 19
    • 33947569274 scopus 로고
    • The Re face of 14 is more reactive according to Cram's rule (with EtMgBr, 16 is formed preferentially by 8 : 5)
    • (1952) J. Am. Chem. Soc. , vol.74 , pp. 5828
    • Cram, D.J.1    Elhafez2
  • 21
    • 84990108192 scopus 로고    scopus 로고
    • 14 was freshly prepared by Swern oxidation from the corresponding alcohol; the enantiopurity of 14 was ≥ 85 % (GC). Since all four stereoisomeric products could be seperated on a chiral capillary GC column [1 b, 7], the ratio 15 : 16 could be accurately determined, and extrapolated for enantiopure aldehyde. The isolated sample of 15 is levorotatory, that of 16 dextrorotatory.
  • 22
    • 84980155362 scopus 로고    scopus 로고
    • Nonlinear correlations between % ee and optical properties or enantioselectivities
    • Tetrahedron Lett. , vol.1969 , pp. 3121
    • Horeau, A.1
  • 24
    • 0001518262 scopus 로고
    • Reaction control of guest compounds in host-guest inclusion complexes
    • 3) holds on to 4 and 9 especially stubbornly. Cf., and earlier papers by Todu's group cited therein
    • (1988) Top. Curr. Chem. , vol.149 , pp. 211
    • Toda, F.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.