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CROWN ETHERS AS CATALYSTS OF FLUORIDE-ANION-MEDIATED REACTIONS IN PEPTIDE SYNTHESIS. I. PROTECTION OF TRYPTOPHAN BY BENZYLOXYCARBONYL AND 2,4-DICHLOROBENZYLOXYCARBONYL GROUPS.KLAUSNER YS; CHOREV M.1977; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1977; NO 6; PP. 627-631; BIBL. 28 REF.Article

ACTIVATION ANIONIQUE A L'AIDE DE COMPLEXES DE TYPE CRYPTATE.LEHN JM.1976; DGRST-7470533; FR.; DA. 1976; PP. 1-18; BIBL. 21 REF.; (RAPP. FINAL, ACTION CONCERTEE: ACT. SEL. CHIM. ORG.)Report

FLUORATION DE SUBSTRATS ORGANIQUES TEMPORAIREMENT ACTIVES PAR COMPLEXATION.GRANDJEAN D.1977; DGRST-7571545; FR.; DA. 1977; PP. (22P.); BIBL. 11 REF.; (RAPP. FINAL, ACTION CONCERTEE: CHIM. MOL. FLUOR)Report

KINETICS OF NUCLEOPHILIC REACTIONS OF POTASSIUM CROWN ETHER COMPLEX SALTS OF AMBIDENT NUCLEOPHILES WITH METHYL METHANESULPHONATE IN ETHANOL, ACETONITRILE, TETRAHYDROFURANE AND BENZENELEMMETYINEN H; LEHTINEN L; KOSKIKALLIO J et al.1979; FINN. CHEM. LETTERS; FIN; DA. 1979; NO 3; PP. 72-75; BIBL. 17 REF.Article

STRUCTURE AND CONFORMATION OF HETEROCYCLES. XI: CIS- AND TRANS-2,3-DIFLUORO-1,4-DIOXANE. GAUCHE AND ANOMERIC EFFECTS OF FLUORINEFUCHS B; ELLENCHWEIG A.1979; J. ORG. CHEM.; USA; DA. 1979; VOL. 44; NO 13; PP. 2274-2277; BIBL. 32 REF.Article

"NAKED" CYANIDE-ACETONE CYANOHYDRIN: A SIMPLE, EFFICIENT AND STEREOSELECTIVE HYDROCYANATING REAGENT.LIOTTA CL; DABDOUD AM; ZALKOW LH et al.1977; TETRAHEDRON LETTERS; G.B.; DA. 1977; NO 13; PP. 1117-1120; BIBL. 5 REF.Article

NAKED IONS-PHASE TRANSFER.MAKOSZA M.1976; IN: MOD. SYNTH. METHODS 1976. INT. WORKSHOP; INTERLAKEN; 1976; ZUERICH; SCHWEIZ. CHEM.-VERB.; DA. 1976; PP. 7-112; BIBL. 14 P.Conference Paper

THE RELATIVE NUCLEOPHILICITIES OF FUORIDE AND ARYLOXY IONS TOWARDS ACYL AND NITROARYL GROUPS.DE OLIVEIRA BAPTISTA MJV; WIDDOWSON DA.1978; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1978; NO 3; PP. 295-298; BIBL. 14 REF.Article

"NAKED" FLUORIDE-CATALYSED MICHAEL-ADDITIONS.BELSKY I.1977; J. CHEM. SOC., CHEM. COMMUNIC.; G.B.; DA. 1977; NO 7; PP. 237; BIBL. 4 REF.Article

DEPROTONIERUNG VON KOMPLEXLIGANDEN - DAS "NACKTE" HYDROXIDION ALS UNGEWOEHNLICH STARKE BROENSTED-BASE = DEPROTONATION DES COORDINATS COMPLEXES. L'ION HYDROXYDE "NU" COMME BASE DE BROENSTED FORTE INHABITUELLELABOUVIE L; HECK L.1980; ANN. UNIV. SARAV., MATH.-NATURWISS. FAK.; ISSN 0080-5165; DEU; DA. 1980; NO 15; PP. 29-43; ABS. ENG; BIBL. 23 REF.Article

CONVENIENT SOURCE OF "NAKED" FLUORIDE: TETRA-N-BUTYLAMMONIUM CHLORIDE AND POTASSIUM FLUORIDE DIHYDRATECARPINO LA; SAU AC.1979; J. CHEM. SOC., CHEM. COMMUNIC.; GBR; DA. 1979; NO 11; PP. 514-515; BIBL. 8 REF.Article

Oxidationsreaktionen mit nackten Permanganat-Ionen unter aprotischen Bedingungen = Réactions d'oxydation avec des ions «nus» de permanganate dans des conditions aprotiques = Oxidation reactions with permanganate «naked» ions under aprotic conditionsBOCK, H; JACULI, D.Angewandte Chemie. 1984, Vol 96, Num 4, pp 298-299, issn 0044-8249Article

ANIONENAKTIVIERUNG. VI. CHARAKTERISIERUNG DES ANIONENAKTIVIERENDEN VERHALTENS MAKROZYKLISCHER POLYETHER IM VERLAUF NUKLEOPHILER SUBSTITUTIONSREAKTIONEN MIT HETEROGENER REAKTIONSFUEHRUNG. = ACTIVATION DES ANIONS. VI. CARACTERISATION DES PROPRIETES D'ANIONS ACTIVES PAR DES POLYETHERS MACROCYCLIQUES LORS DE SUBSTITUTIONS NUCLEOPHILES DANS DES CONDITIONS DE REACTION HETEROGENESKNOECHEL A; OEHLER J; RUDOLPH G et al.1977; Z. NATURFORSCH., B; DTSCH.; DA. 1977; VOL. 32; NO 7; PP. 783-786; ABS. ANGL.; BIBL. 5 REF.Article

FORCED NUCLEOPHILIC SUBSTITUTION REACTION OF CHLOROBENZENES BEARING ELECTRON-DONATING GROUPS BY THE USE OF "NAKED" METHOXIDE ANIONFUKUI M; ENDO Y; OISHI T et al.1980; CHEM. PHARM. BULL.; ISSN 0009-2363; JPN; DA. 1980; VOL. 28; NO 12; PP. 3639-3648; BIBL. 21 REF.Article

ANIONENAKTIVIERUNG. V. CHARAKTERISIERUNG DES ANIONENAKTIVIERENDEN VERHALTENS MAKROZYKLISCHER POLYETHER IM VERLAUF NUKLEOPHILER SUBSTITUTIONSREAKTIONEN BEI HOMOGENER REAKTIONSFUEHRUNG. = ACTIVATION DES ANIONS. V. CARACTERISATION DES PROPRIETES D'ANIONS ACTIVES PAR DES POLYETHERS MACROCYCLIQUES LORS DE SUBSTITUTIONS NUCLEOPHILES DANS DES CONDITIONS DE REACTION HOMOGENESDORN WL; KNOECHEL A; OEHLER J et al.1977; Z. NATURFORSCH., B; DTSCH.; DA. 1977; VOL. 32; NO 7; PP. 776-782; ABS. ANGL.; BIBL. 8 REF.Article

CATALYTIC MECHANISMS OF ACYL TRANSFER REACTIONS IN DIPOLAR APROTIC MEDIA. II: ELECTROPHILIC ACTIVATION OF THE CARBONYL GROUP BY QUATERNARY ALKYLAMMONIUM AND IMIDAZOLIUM FUNCTIONSHAJDU J; SMITH GM.1981; J. AM. CHEM. SOC.; ISSN 0002-7863; USA; DA. 1981; VOL. 103; NO 20; PP. 6192-6197; BIBL. 28 REF.Article

A REGIOSPECIFIC AND STEREOSPECIFIC ROUTE TO ENOL CARBONATES AND CARBAMATES: CLOSER LOOK AT A "NAKED ANION"OLOFSON RA; CUOMO J.1980; TETRAHEDRON LETTERS; GBR; DA. 1980; VOL. 21; NO 9; PP. 819-822; BIBL. 13 REF.Article

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