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Volumn 12, Issue 4, 2014, Pages 574-580

Asymmetric synthesis of drug-like spiro[chroman-3,3′-indolin]- 2′-ones through aminal-catalysis

Author keywords

[No Author keywords available]

Indexed keywords

POSITIVE IONS;

EID: 84890811789     PISSN: 14770520     EISSN: None     Source Type: Journal    
DOI: 10.1039/c3ob42100g     Document Type: Article
Times cited : (42)

References (55)
  • 39
    • 84862547343 scopus 로고    scopus 로고
    • references cited therein Definition of the reflexive-Michael (r-M) reaction: when two molecules are spontaneously involved in a Michael reaction by behaving as both a 1,4-donor and an acceptor in a cyclic or reflexive manner means that they are in the reflexive-Michael reaction mode. See: Fiesers' reagents for organic synthesis, volume 27, 2013, page no. 406 by Tse-Lok Ho; Papers cited in ref. 7 For the excellent work on o-quinone methides (oQMs) generation and trapping under the physiological conditions, see
    • D. B. Ramachary R. Madhavachary M. S. Prasad Org. Biomol. Chem. 2012 10 5825
    • (2012) Org. Biomol. Chem. , vol.10 , pp. 5825
    • Ramachary, D.B.1    Madhavachary, R.2    Prasad, M.S.3
  • 52
    • 77749298301 scopus 로고    scopus 로고
    • 937954 All racemic products 7aa-kp were prepared in 40-85% yield and 45-99% de through the r-M reaction of 1a-k and 2a-p under the catalysis of (±)-DPPOTMS 3 (20 mol%) in CHCl3 (0.5 M) at 25 °C for 7-12 h followed by the sequential one-pot Wittig reaction with 6 (2 equiv.) in CHCl3 (0.19 M) at 25 °C for 2 h (see ESI-1 for more details) CCDC- for (+)- 5da contains the supplementary crystallographic data for this paper
    • Q. Wei L.-Z. Gong Org. Lett. 2010 12 1008
    • (2010) Org. Lett. , vol.12 , pp. 1008
    • Wei, Q.1    Gong, L.-Z.2


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