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Volumn 67, Issue 39, 2011, Pages 7479-7484

Quinidine thiourea-catalyzed enantioselective synthesis of β-nitrophosphonates: Beneficial effects of molecular sieves

Author keywords

Enantioselective synthesis; Molecular sieves; Nitrophosphonates; Organocatalyst; Thiourea

Indexed keywords

ALKENE; BETA NITROPHOSPHONATE DERIVATIVE; NITROGEN DERIVATIVE; PHOSPHITE; PHOSPHONIC ACID DERIVATIVE; QUINIDINE; QUINIDINE THIOUREA; THIOUREA; UNCLASSIFIED DRUG;

EID: 80052031418     PISSN: 00404020     EISSN: 14645416     Source Type: Journal    
DOI: 10.1016/j.tet.2011.07.059     Document Type: Article
Times cited : (25)

References (42)
  • 1
    • 80052022958 scopus 로고    scopus 로고
    • For examples, see
    • For examples, see
  • 15
    • 80052037151 scopus 로고    scopus 로고
    • Ref. 1g. For examples of catalytic asymmetric synthesis of β-aminophosphonates and related compounds, see
    • Ref. 1g. For examples of catalytic asymmetric synthesis of β-aminophosphonates and related compounds, see
  • 19
    • 80052028691 scopus 로고    scopus 로고
    • For reviews on β-aminophosphonic acids and their derivatives, see
    • For reviews on β-aminophosphonic acids and their derivatives, see
  • 24
    • 80052032604 scopus 로고    scopus 로고
    • For reviews on the phospha-Michael reaction, see
    • For reviews on the phospha-Michael reaction, see
  • 33
    • 79953213694 scopus 로고    scopus 로고
    • During the preparation of this manuscript, Herrera and co-workers published their studies on this reaction catalyzed by some chiral thioureas in the presence of Hünig's base, including catalyst 4, but again poor ee value (9%) was obtained, see
    • During the preparation of this manuscript, Herrera and co-workers published their studies on this reaction catalyzed by some chiral thioureas in the presence of Hünig's base, including catalyst 4, but again poor ee value (9%) was obtained, see: A. Alcaine, E. Marqués-López, P. Merino, T. Tejero, and R.P. Herrera Org. Biomol. Chem. 9 2011 2777 2783
    • (2011) Org. Biomol. Chem. , vol.9 , pp. 2777-2783
    • Alcaine, A.1    Marqués-López, E.2    Merino, P.3    Tejero, T.4    Herrera, R.P.5
  • 36
    • 80052037595 scopus 로고    scopus 로고
    • ® resin cannot be absorbed by MS 4 , apparently the latter absorbs the acidic species generated from the resin under the reaction conditions.
    • ® resin cannot be absorbed by MS 4, apparently the latter absorbs the acidic species generated from the resin under the reaction conditions.
  • 37
    • 80052036699 scopus 로고    scopus 로고
    • 31P absorption at 128.7 ppm, see
    • 31P absorption at 128.7 ppm, see
  • 39
    • 0002604658 scopus 로고
    • The phosphonate form was reported to have a chemical shift of 0 ppm, see
    • The phosphonate form was reported to have a chemical shift of 0 ppm, see K. Moedritzer J. Inorg. Nucl. Chem. 22 1961 19 21
    • (1961) J. Inorg. Nucl. Chem. , vol.22 , pp. 19-21
    • Moedritzer, K.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.