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Tetrahedron: Asymmetry, ISSN 0957-4166, 1993, Volume 4, Issue 7, pp. 1651 - 1665
The synthesis of either (R)- or (S)-chiral 1,3-diketones through asymmetric γ alkylation reaction of cyclic and acyclic chiral β... 
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2010, Volume 51, Issue 39, pp. 5150 - 5153
Epoxides can be opened under neutral conditions with TMSN 3 and TMSCN in the presence of catalytic amounts of Lewis acid, affording the corresponding... 
Epoxide ring-opening | Azido alcohols | Erbium(III) triflate | Cyanohydrins | SODIUM-AZIDE | BETA-HYDROXY NITRILES | VALUABLE CATALYST | CHEMISTRY, ORGANIC | REGIOSELECTIVE AZIDOLYSIS | CLEAVAGE | HIGHLY EFFICIENT | ALCOHOLS | FACILE SYNTHESIS | ACETONE CYANOHYDRIN | KINETIC RESOLUTION | Rare earth metals | Heterocyclic compounds | Cyanides
Journal Article
SYNLETT, ISSN 0936-5214, 01/2003, Issue 1, pp. 39 - 42
A trace amount of magnesium perchlorate (from 0.1 mol% to 1 mol%) is able to promote quantitative acylation, with anhydrides, of a large variety of... 
TRIFLATE | EFFICIENT CATALYST | LEWIS-ACID | SCOPE | DIELS-ALDER REACTION | LITHIUM PERCHLORATE | TRIFLUOROMETHANESULFONATE | CHEMISTRY, ORGANIC | MIXED ANHYDRIDES | PERCHLORATE-DIETHYL-ETHER
Journal Article
Letters in Organic Chemistry, ISSN 1570-1786, 02/2005, Volume 2, Issue 1, pp. 51 - 53
Cerium is the less rare "rare earth"; its salts are commercially available and inexpensive. However, screening of lanthanide triflates as Lewis acid catalysts... 
Anhydrides | Arenes | Electrophilic substitution Lewis acid catalysis | Lanthanide triflates | Lithium perchlorate | ACETYLATION | SULFONYLATION | COMPLEXES | CHEMISTRY, ORGANIC | DEPROTECTION | ALCOHOLS | anhydrides | KETONES | lithium perchlorate | arenes | TRIFLUOROMETHANESULFONATE | HAFNIUM TRIFLATE | lanthanide triflates | EFFICIENT
Journal Article
CARBOHYDRATE RESEARCH, ISSN 0008-6215, 10/2007, Volume 342, Issue 14, pp. 2125 - 2131
Er(OTf3 is a useful catalyst for the Ferrier rearrangement furnishing high yields of O- and S-glycosides. The transforination has wide applicability, cleaner... 
NATURAL-PRODUCTS | BIOCHEMISTRY & MOLECULAR BIOLOGY | EFFICIENT SYNTHESIS | C-GLYCOSYLATION | CHEMISTRY, ORGANIC | O-glycosylation | GLYCALS | triflate | HIGHLY STEREOSELECTIVE SYNTHESIS | lewis catalyst | ALLYLTRIMETHYLSILANE | S-Glycosylation | erbium(III) | MILD | INCL3-CATALYZED FERRIER REARRANGEMENT | CHEMISTRY, APPLIED | ALLYLIC-REARRANGEMENT
Journal Article
Symmetry, ISSN 2073-8994, 03/2011, Volume 3, Issue 1, pp. 84 - 125
The 1,4-conjugate addition of nucleophiles to alpha,beta-unsaturated carbonyl compounds represents one fundamental bond-forming reaction in organic synthesis.... 
Michael addition | Iminium ion | Organocatalysis | Unsaturated ketones | organocatalysis | alpha,beta-unsaturated ketones | iminium ion | MULTIDISCIPLINARY SCIENCES | α,β-unsaturated ketones
Journal Article
TETRAHEDRON-ASYMMETRY, ISSN 0957-4166, 07/1993, Volume 4, Issue 7, pp. 1651 - 1665
The synthesis of either (R)- or (S)-chiral 1,3-diketones through asymmetric gamma alkylation reaction of cyclic and acyclic chiral beta-enamino ketones was here performed... 
ASYMMETRIC-SYNTHESIS | CYCLOHEXANONE | ESTERS | ENANTIOSELECTIVE ALKYLATION | CHEMISTRY, ORGANIC | CHEMISTRY, PHYSICAL | ALPHA-ALKYL | DERIVATIVES | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
ARKIVOC, ISSN 1551-7004, 2006, pp. 1 - 5
Journal Article
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, ISSN 1434-193X, 11/2003, Volume 2003, Issue 23, pp. 4611 - 4617
A new protocol for the acylation of alcohols with anhydrides in the presence of Zn(ClO4)(2).6H(2)O as the catalyst is reported. The activity of... 
zinc perchlorate | anhydrides | SUBSTITUTION | EFFICIENT CATALYST | esters | SCOPE | ACETYLATION | acylations | COMPLEXES | CHEMISTRY, ORGANIC | alcohols
Journal Article
03/2017, 1st ed., ISBN 3527341145, 609
The first handbook to focus on the asymmetric synthesis of different types of three-membered rings. The outstanding and experienced authors have an excellent... 
Chemistry | SCIENCE | Physical & Theoretical | Synthesis | Organic compounds | Aziridines | Cyclopropane | Heterocyclic compounds | Epoxy compounds
eBook
SYNLETT, ISSN 0936-5214, 11/2004, Issue 14, pp. 2633 - 2635
Rearrangement of epoxides is performed with erbium triflate as catalyst. In contrast to most proposed catalysts for this reaction, erbium triflate works well... 
Lewis acid | rearrangements | SELECTIVE ISOMERIZATION | CHEMISTRY, ORGANIC | catalysis | epoxides | erbium triflate | DEPROTECTION | EFFICIENT | TERTIARY | ARYL-SUBSTITUTED EPOXIDES | CERIUM(III) TRIFLATE
Journal Article
Journal Article
GREEN CHEMISTRY, ISSN 1463-9262, 2004, Volume 6, Issue 4, pp. 191 - 192
Ce(OTf)(3) is proposed as a valuable Lewis acid promoter in the per-O-acetylation reactions of sugars. The Ce(OTf)(3) is an environmentally friendly catalyst,... 
ALCOHOLS | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | MONOSACCHARIDES | ACYLATION | TRIFLUOROMETHANESULFONATE | CHEMISTRY | ASSIGNMENT | CERIUM(III) CHLORIDE | DEPROTECTION | CHEMISTRY, MULTIDISCIPLINARY | HIGHLY EFFICIENT | FERRIC-CHLORIDE
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 08/2005, Volume 347, Issue 10, pp. 1447 - 1450
.... Wuts , Protecting Groups in Organic Synthesis , 2 nd edn. , John Wiley & Sons , New York , 1991 , pp 123–125. 3 M. T. Bogert , R. O. Roblin Jr. , J. Am. Chem. Soc... 
erbium(III) triflate | Lewis acid catalyst | epoxides | acetonides | dioxolanes | Epoxides | Erbium(III) triflate | Dioxolanes | Acetonides | CONVERSION | 1,3-DIOXOLANES | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | CYCLIC ACETALS | ALDEHYDES | REARRANGEMENT | KETONES | CHEMISTRY, APPLIED | EFFICIENT | CHLORIDE
Journal Article
SYNTHESIS-STUTTGART, ISSN 0039-7881, 08/2006, Issue 15, pp. 2608 - 2612
Er(OTf)(3) is a useful catalyst for the Ferrier rearrangement furnishing 2',3'-dideoxy pyranosyl nucleosides easily by means of cleaner reaction profiles,... 
Lewis acid catalyst | C-PSEUDOGLYCALS | CHEMISTRY, ORGANIC | HIGHLY STEREOSELECTIVE SYNTHESIS | DEPROTECTION | ANTI-HIV DRUGS | CERIUM(III) TRIFLATE | erbium(III) triflate | nucleosides | EFFICIENT CATALYST | GLYCOSYL CYANIDES | PYRIMIDINE NUCLEOSIDES | Ferrier rearrangement | glycals | 4'-AZA ANALOGS | GLYCOSIDATION
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 11/2005, Volume 3, Issue 22, pp. 4129 - 4133
Er(OTf)(3) is proposed as new efficient Lewis acid catalyst in a mild deprotection protocol of benzylidene derivatives. In a modified procedure, where acetic... 
KETALS | PENTASACCHARIDE | OLIGOSACCHARIDES | ANALOGS | GLUCOSE | ASSIGNMENT | CHEMISTRY, ORGANIC | DEPROTECTION | SPECTRA | LINKAGE | CONSTITUENTS
Journal Article
ChemInform, ISSN 0931-7597, 11/1993, Volume 24, Issue 48, pp. no - no
... ketones of type (V) . alpha.′‐alkylation takes place with low diastereoselectivity.   G. BARTOLI , M. BOSCO , C. CIMARELLI , R. DALPOZZO , G. DE MUNNO , G. PALMIERI... 
ketones (benzene compounds) | alkylation, arylation, dealkylation, dearylation, C‐acylation, olefination | stereochemistry (general, optical resolution)
Journal Article
Cancer Research, ISSN 0008-5472, 08/2011, Volume 71, Issue 15, pp. 5235 - 5244
MVA-BN-PRO (BN ImmunoTherapeutics) is a candidate immunotherapy product for the treatment of prostate cancer. It encodes 2 tumor-associated antigens,... 
Journal Article
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