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Volumn 69, Issue 4, 2004, Pages 1409-1412

Two-Step Asymmetric Synthesis of Disubstituted N-Tosyl Aziridines Having 98-100% ee: Use of a Phosphazene Base

Author keywords

[No Author keywords available]

Indexed keywords

SALTS; STOICHIOMETRY; SYNTHESIS (CHEMICAL); X RAY ANALYSIS;

EID: 10744225951     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo035586x     Document Type: Article
Times cited : (52)

References (36)
  • 18
    • 0026514758 scopus 로고
    • Solladié-Cavallo, A.; Adib, A. Tetrahedron 1992, 48, 2453 and Solladié-Cavallo, A.; Diep-Vohuule, A. J. Org. Chem. 1995, 60, 3494-3498.
    • (1992) Tetrahedron , vol.48 , pp. 2453
    • Solladié-Cavallo, A.1    Adib, A.2
  • 28
    • 1242313657 scopus 로고    scopus 로고
    • note
    • CH(Ph) δ in ppm. 1-trans = 4.39; 1-cis = 4.48; 2-trans = 4.38; 2-cis = 4.54; 3-trans = 4.34; 3-cis = 4.46; 4-trans = 3.80; 4-cis = 3.94; 5-trans = 3.78; 5-cis = 3.98; 6-trans = 4.26; 6-cis = 4.22; 7-trans = 4.28; 7-cis = 4.34; 8-trans = 4.19; 8-cis = 4.33.
  • 30
    • 1242268637 scopus 로고    scopus 로고
    • note
    • Conformation K1 corresponds to the only conformation populated of the starting sulfonium salt 9 (cf. ref 18), which is obviously also the more reactive.
  • 32
    • 1242336172 scopus 로고    scopus 로고
    • Isarno T., Ph.D., Strasbourg-France, 2000
    • Isarno, T., Ph.D., Strasbourg-France, 2000. Alkyl-phenyl epoxides are obtained as trans/cis mixture either as a result of smaller differences between the rates of ring closure or less reversible betaines formation.
  • 33
    • 33646983912 scopus 로고
    • For discussion on anti approach and ring closing or syn approach, followed by C-C rotation and then ring closing, see: Volatron, F.; Eisenstein, O. J. Am. Chem. Soc. 1987, 109, 1-14.
    • (1987) J. Am. Chem. Soc. , vol.109 , pp. 1-14
    • Volatron, F.1    Eisenstein, O.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.