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Volumn 66, Issue 46, 2010, Pages 8992-9008

Structural effects in pyrazolidinone-mediated organocatalytic Diels-Alder reactions

Author keywords

[No Author keywords available]

Indexed keywords

1 BENZYL 5 PHENYLPYRAZOLIDIN 3 ONE; 2 (2 METHOXY 2 PHENYLACETYL) 5 PHENYLPYRAZOLIDIN 3 ONE; 2 BENZOYL 5 METHYLPYRAZOLIDIN 3 ONE; 2 BENZYL 4,4,5 TRIMETHYLPYRAZOLIDIN 3 ONE; 2 BENZYL 5 (TRIFLUOROMETHYL)PYRAZOLIDIN 3 ONE; 2 BENZYL 5 ISO PROPYLPYRAZOLIDIN 3 ONE; 2 BENZYL 5 METHYLPYRAZOLIDIN 3 ONE; 2 BENZYL 5 PHENYLPYRAZOLIDIN 3 ONE; 2,5 DIMETHYLPYRAZOLIDIN 3 ONE; 5 (TRIFLUOROMETHYL)PYRAZOLIDIN 3 ONE; 5 ISO PROPYLPYRAZOLIDIN 3 ONE; 5 METHYLPYRAZOLIDIN 3 ONE; 5 PHENYLPYRAZOLIDIN 3 ONE; PYRAZOLE DERIVATIVE; PYRAZOLIDIN 3 ONE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 77958155378     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tet.2010.09.021     Document Type: Article
Times cited : (25)

References (51)
  • 6
    • 77958167965 scopus 로고    scopus 로고
    • For reviews see
    • For reviews see:
  • 30
    • 77958186423 scopus 로고    scopus 로고
    • note
    • Sibi has elegantly shown that related N-acyl pyrazolidinones can be used in asymmetric Diels-Alder reactions (and other cycloadditions); for select examples see
  • 39
    • 0343874027 scopus 로고
    • For a related study concerning the N- or O-functionalisation of 4,4-diethyl-3,5-pyrazolidinedione with carboxylic acid anhydrides see R.A. Izydore, and J.A. Bernal-Ramirez J. Org. Chem. 55 1990 3761 3767
    • (1990) J. Org. Chem. , vol.55 , pp. 3761-3767
    • Izydore, R.A.1    Bernal-Ramirez, J.A.2
  • 41
    • 77958181377 scopus 로고    scopus 로고
    • note
    • 1/2 ∼8 h) and preferential endo selectivity (exo:endo ratio 14:86).
  • 42
    • 77958167757 scopus 로고    scopus 로고
    • 15N NMR, see Supplementary data.
    • 15N NMR, see Supplementary data.
  • 43
    • 77958163582 scopus 로고    scopus 로고
    • note
    • 2O (95:5) gave no change in reactivity. Catalyst 34 also returned only starting material using both cyclohexadiene and isoprene.
  • 44
    • 77958160765 scopus 로고    scopus 로고
    • 15N NMR chemical shifts, see Supplementary data.
    • 15N NMR chemical shifts, see Supplementary data.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.