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Volumn 16, Issue 4, 2010, Pages 1142-1148

Substrate-dependent nonlinear effects in proline-thiourea-catalyzed aldol reactions: Unraveling the role of the thiourea co-catalyst

Author keywords

Aldol reaction; Nonlinear effects; Organocatalysis; Proline, thiourea

Indexed keywords

ALDOL REACTIONS; AROMATIC ALDEHYDE; COCATALYST; IMINIUM; NONLINEAR EFFECT; ORGANOCATALYSIS; OXAZOLIDINONES;

EID: 76549131001     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200902678     Document Type: Article
Times cited : (88)

References (83)
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    • -1,λ= 262nm, retention time (R) = 57.4 min, (S) = 60.8 min
    • -1,λ= 262nm, retention time (R) = 57.4 min, (S) = 60.8 min.
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    • 1 in NMR the partial solubilization of proline by Schreiner's thiourea 1 in chloroform, a solvent that is much more polar than those (hexane, toluene) used by them in the aldol reactions
    • 1 in NMR the partial solubilization of proline by Schreiner's thiourea 1 in chloroform, a solvent that is much more polar than those (hexane, toluene) used by them in the aldol reactions.
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    • note
    • [6c]) with [D6]acetone; upon addition of thiourea 1 to this solution, equilibration of 5 with the zwitterionic species 6 was observed (see the Supporting Information).
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    • g]toluene takes place at a much lower rate; see reference [5]
    • g]toluene takes place at a much lower rate; see reference [5].
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    • The ready interconversion between aldehyde- and ketone-derived proline oxazolidinones has been nicely demonstrated by Vilarrasa and co-workers; see reference [6c]
    • The ready interconversion between aldehyde- and ketone-derived proline oxazolidinones has been nicely demonstrated by Vilarrasa and co-workers; see reference [6c].


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.