New N,O-heterocycles derived from (R)-cysteine as catalysts in the enantioselective diethylzinc addition

Tetrahedron Asymmetry

Volumn 9, Issue 23, 1998, Pages 4123-4125

  Kossenjans, Michael ^a   Pennemann, Helmut ^a   Martens, Jürgen ^a   Juanes, Olga ^b   Rodríguez Ubis, Juan C ^b   Brunet, Ernesto ^b  

^a UNIVERSITY OF OLDENBURG   (Germany)

^b UNIVERSIDAD AUTÓNOMA DE MADRID   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

AMINOALCOHOL; BENZALDEHYDE; CROWN ETHER DERIVATIVE; CYSTEINE PROTEINASE; HETEROCYCLIC COMPOUND; MORPHOLINE; ZINC DERIVATIVE;

ARTICLE; CATALYSIS; CATALYST; CHEMICAL STRUCTURE; ENANTIOMER; PRIORITY JOURNAL; STEREOCHEMISTRY; SYNTHESIS;

EID: 0032509390     PISSN: 09574166     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0957-4166(98)00452-2     Document Type: Article

References (14)

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4. Devant, R. M.; Radunz, H.-E. Methods of Org. Chem. (Houben-Weyl), 4th ed.; Stereoselective Synthesis; Helmchen, G.; Hoffmann, R. W.; Mulzer, J.; Schaumann, E., Eds; 1995; Vol. 21b, pp. 1314.
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8. A typical enantioselective C-C bond formation with crown ethers as catalysts is the Michael addition, for example: Cram, D. J.; Sogah, G. D. Y. J. Chem. Soc., Chem. Commun. 1981, 625 (also refs 8 and 9).
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13. The conversion of compound 2 to 3-6 was performed using the procedure described in: Calverley, M. J.; Dale, J. Acta Chem. Scand. B 1982, 36, 241.
14. Wilken, J.; Kossenjans, M.; Gröger, H.; Martens, J. Tetrahedron: Asymmetry 1997, 8, 2007.