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Volumn 56, Issue 2, 2000, Pages 233-248

A general synthesis of enantiopure 1,2-aminoalcohols via chiral morpholinones

Author keywords

Aminoalcohols; Asymmetric induction; Imines; Reduction

Indexed keywords

AMINOALCOHOL; MORPHOLINE DERIVATIVE;

EID: 0034614567     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4020(99)00935-7     Document Type: Article
Times cited : (29)

References (61)
  • 3
    • 84992269742 scopus 로고
    • (b) Thèse Université Paris VI, 13 Juillet
    • (b) Grandjean, C. Thèse Université Paris VI, 13 Juillet 1994.
    • (1994)
    • Grandjean, C.1
  • 31
    • 84992243221 scopus 로고    scopus 로고
    • Unreacted aminoacid 8 and side product 11 were always isolated from the crude materials. The side product 11 may arise from the following acido-basic equilibrium followed by anionic condensation
    • Unreacted aminoacid 8 and side product 11 were always isolated from the crude materials. The side product 11 may arise from the following acido-basic equilibrium followed by anionic condensation
  • 32
    • 24444471388 scopus 로고
    • The Z-isomer of 7a is only formed as it is highly stabilised by an intramolecular hydrogen bond between the hydrogen on the nitrogen atom and the ester carbonyl group
    • see
    • The Z-isomer of 7a is only formed as it is highly stabilised by an intramolecular hydrogen bond between the hydrogen on the nitrogen atom and the ester carbonyl group, see Célérier, J. P.; Deloisy-Marchalant, E.; Lhommet, G. J. Heterocycl. Chem. 1633, 21, 1984.
    • (1984) J. Heterocycl. Chem. , vol.1633 , Issue.21
    • Célérier, J.P.1    Deloisy-Marchalant, E.2    Lhommet, G.3
  • 33
    • 0012963845 scopus 로고    scopus 로고
    • (a) Harwood L.M.; Vines K.J.; Drew M.G.B
    • (a) Harwood, L. M.; Vines, K. J.; Drew, M. G. B. Synlett 1996, 1051.
    • (1996) Synlett , pp. 1051
  • 35
    • 84992280392 scopus 로고    scopus 로고
    • 1H NMR
    • 1H NMR.
  • 36
    • 84992241218 scopus 로고    scopus 로고
    • If the alkylating agent was not added, the dihydro oxazole 15 was isolated in 36% yield after chromatography. In prolonged reflux of toluene (without sodium hydride) or at room temperature with sodium hydride, the dihydro oxazole 15 was not formed, the enaminoester 7a was entirely recovered
    • If the alkylating agent was not added, the dihydro oxazole 15 was isolated in 36% yield after chromatography. In prolonged reflux of toluene (without sodium hydride) or at room temperature with sodium hydride, the dihydro oxazole 15 was not formed, the enaminoester 7a was entirely recovered.
  • 44
    • 84992253461 scopus 로고    scopus 로고
    • These bicyclic lactams 23b, c were obtained in quantitative yields by refluxing compounds 17b, c in toluene (20 and 10 h, respectively); yield: 85% for 23b and 92% for 23c
    • These bicyclic lactams 23b, c were obtained in quantitative yields by refluxing compounds 17b, c in toluene (20 and 10 h, respectively); yield: 85% for 23b and 92% for 23c.
  • 57
    • 84992241194 scopus 로고    scopus 로고
    • 20 of 20a and 20b are identical to those of aminoalcohols obtained from reduction of L-aspartic and L-glutamic acids, respectively
    • 20 of 20a and 20b are identical to those of aminoalcohols obtained from reduction of L-aspartic and L-glutamic acids, respectively.
  • 59
    • 84992250737 scopus 로고    scopus 로고
    • (b) U.S. Patent 4,291,022-22, 1981
    • (b) Sandrin, E.; Bauer, W. U.S. Patent 4,291,022-22, 1981.
    • Sandrin, E.1    Bauer, W.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.