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Volumn 16, Issue 4, 2014, Pages 2136-2141

Efficient and selective nitrile hydration reactions in water catalyzed by an unexpected dimethylsulfinyl anion generated in situ from CsOH and DMSO

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EID: 84896907340     PISSN: 14639262     EISSN: 14639270     Source Type: Journal    
DOI: 10.1039/c3gc42310g     Document Type: Article
Times cited : (60)

References (72)
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    • references therein Selected examples
    • B. A. Trofimov Sulfur Rep. 1992 11 207
    • (1992) Sulfur Rep. , vol.11 , pp. 207
    • Trofimov, B.A.1
  • 13
    • 0033577829 scopus 로고    scopus 로고
    • However, the mechanism of the CsOH-THF-DMSO system was not discussed and remains unknown We found nitrile hydration easily took place with heating when CsOH was used in the condensation of (substituted)acetonitriles with aldehydes, affording unexpected amides in good yields
    • D. Tzalis P. Knochel Angew. Chem., Int. Ed. 1999 38 1463
    • (1999) Angew. Chem., Int. Ed. , vol.38 , pp. 1463
    • Tzalis, D.1    Knochel, P.2
  • 55
    • 77957017292 scopus 로고    scopus 로고
    • See ESI for details High yields of 2a could be recovered by treatment with CsOH-DMSO, indicating that amide hydrolysis could be inhibited by adding DMSO. This may tentatively be attributed to the cesium effect
    • S. Prasad T. C. Bhalla Biotechnol. Adv. 2010 28 725
    • (2010) Biotechnol. Adv. , vol.28 , pp. 725
    • Prasad, S.1    Bhalla, T.C.2
  • 59
    • 72049128066 scopus 로고    scopus 로고
    • Ref. 4 Dimethylsulfinyl anion(i) has been known for decades, but its catalytic activity is not known yet
    • F. Siopa Synlett 2009 3048
    • (2009) Synlett , pp. 3048
    • Siopa, F.1
  • 71
    • 84861526086 scopus 로고    scopus 로고
    • After submission of this work, we noticed that Bortolini and co-workers just reported a dimethylsulfinyl anion-catalyzed cross-benzoin reaction using t-BuOK as the base precatalyst and DMSO as the solvent
    • R. Xu L. Yue Y. Pan Tetrahedron 2012 68 5046
    • (2012) Tetrahedron , vol.68 , pp. 5046
    • Xu, R.1    Yue, L.2    Pan, Y.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.