Search Results - "Lupi, Vittoria"
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Complementary Heterogeneous/Homogeneous Protocols for the Synthesis of Densely Functionalized Benzo[d]sultams: C−C Bond Formation by Intramolecular Nucleophilic Aromatic Fluorine Displacement
Published in Journal of organic chemistry (05-09-2008)“…Polyfunctionalized benzo[d]sultams 7 and 8, which contain an α-amino acid unit, have been synthesized from the corresponding open chain…”
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Synthesis of 2,6-disubstituted morpholines through regioselective oxiranes ring opening by tosylamide under PTC conditions
Published in Tetrahedron (13-12-2004)“…Symmetric and non-symmetric 2,6-disubstituted morpholines were synthesized through regioselective nucleophilic ring opening of oxiranes with tosylamide under…”
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Stereo- and Regioselective Opening of 3-Phenylglycidates by Trifluoromethylsulfonamide under Solid–Liquid Heterogeneous Conditions
Published in Chemistry letters (2001)“…Ethyl cis- and trans-3-phenylglycidates have been opened stereo- and regioselectively with trifluoromethylsulfonamide in the presence of catalytic amounts of…”
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Enantioselective Rearrangement of Proline Sulfonamides: An Easy Entry to Enantiomerically Pure α-Aryl Quaternary Prolines
Published in Chemistry : a European journal (17-09-2010)“…Enantiopure quaternary prolines have been prepared by stereoselective rearrangement of N‐(arylsulfonyl)proline tert‐butyl esters under basic conditions (see…”
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Highly stereoselective intramolecular alpha-arylation of self-stabilized non-racemic enolates: synthesis of alpha-quaternary alpha-amino acid derivatives
Published in Chemical communications (Cambridge, England) (01-01-2009)“…The 'one-pot' stereoselective conversion of N-(4-nitrobenzene)sulfonyl-alpha-amino acid tert-butyl esters into the corresponding…”
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Concise Synthesis of 2,6-Disubstituted Morpholines by Cyclization of Epoxy Alcohols
Published in European Journal of Organic Chemistry (01-05-2007)“…A novel, straightforward and high yielding synthesis of enantiomerically pure 2,6‐disubstituted morpholines was developed by acid‐catalyzed cyclization of…”
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Book Review Journal Article -
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Enantioselective Rearrangement of Proline Sulfonamides: An Easy Entry to Enantiomerically Pure [alpha]-Aryl Quaternary Prolines
Published in Chemistry : a European journal (17-09-2010)Get full text
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Selective O-functionalization of phenolic α-amino acids with crown ethers bearing cyclophosphazene sub-units
Published in Tetrahedron (18-03-2011)“…Cyclophosphazenes (CyP) containing a crown ether and an α-amino acid unit have been prepared starting from diphosphaza[16]crown-6 (PNP16C6). Nucleophilic…”
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Straightforward Synthesis of 2-Substituted 3,4-Dihydro-2H-1,4-benzoxazines under Solid−Liquid Phase Transfer Catalysis Conditions
Published in Industrial & engineering chemistry research (19-02-2003)“…A straightforward and efficient synthesis of 2-substituted 3,4-dihydro-2H-1,4-benzoxazines 6−9 has been carried out in excellent overall yields through the…”
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Specific Solvation as a Tool for the N-Chemoselective Arylsulfonylation of Tyrosine and (4-Hydroxyphenyl)glycine Methyl Esters
Published in European journal of organic chemistry (01-12-2003)“…The methyl esters of L‐tyrosine and D‐(4‐hydroxyphenyl)glycine were directly transformed into the corresponding 2‐arylsulfonamido esters with arylsulfonyl…”
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N-Monoalkylation of α-Amino Acid Esters under Solid-Liquid PTC Conditions
Published in European journal of organic chemistry (01-04-2000)“…N‐(2‐Nitrophenylsulfonyl)‐ (o‐NBS‐AA‐OMe, 4) and N‐(4‐Nitrophenylsulfonyl)‐α‐amino acid methyl esters (p‐NBS‐AA‐OMe, 5) were N‐alkylated with a variety of…”
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Synthesis of 2-Substituted 3,4-Dihydro-2H-1,4-benzoxazines in Water Under Phase Transfer Catalysis Conditions
Published in Advanced synthesis & catalysis (01-06-2002)“…2‐Substituted 3,4‐dihydro‐2H‐1,4‐benzoxazines have been prepared in excellent yields and short reaction times through the cyclization of hydroxysulfonamides in…”
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Use of a Quaternary Ammonium Salt Supported on a Liposoluble Poly(ethylene glycol) Matrix for Laboratory and Industrial Synthetic Applications of Phase-Transfer Catalysis
Published in Industrial & engineering chemistry research (02-10-2002)“…A systematic study on the use of liposoluble PEG5000Bu3N+Br- (1a) as the catalyst in a series of anion-promoted reactions carried out under both liquid−liquid…”
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