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Results 1 to 25 of 1963

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THE FRAGMENTATION OF METASTABLE NH3+ IONS AND ISOTOPIC ANALOGS: AN EXAMPLE OF TUNNELING THROUGH A ROTATIONAL BARRIERJARROLD MF; ILLIES AJ; BOWERS MT et al.1982; CHEMICAL PHYSICS LETTERS; ISSN 0009-2614; NLD; DA. 1982; VOL. 92; NO 6; PP. 653-658; BIBL. 24 REF.Article

THE IMPORTANCE OF HYPERCONJUGATION IN NUCLEOPHILIC VINYLIC SUBSTITUTIONAPELOIG Y; RAPPOPORT Z.1979; J. AMER. CHEM. SOC.; USA; DA. 1979; VOL. 101; NO 17; PP. 5095-5098; BIBL. 28 REF.Article

STERISCHE WECHSELWIRKUNGEN IN DER ORGANISCHEN CHEMIE: DER RAUMBEDARF VON SUBSTITUENTEN. = INTERACTION STERIQUE EN CHIMIE ORGANIQUE: ESPACE NECESSAIRE AUX SUBSTITUANTSFORSTER H; VOGTLE F.1977; ANGEW. CHEM.; DTSCH.; DA. 1977; VOL. 89; NO 7; PP. 443-455; BIBL. 1 P. 1/2Article

STEREOCHEMISTRY OF LITHIATION OF N-METHYLFORMAMIDE: A THEORETICAL STUDYBACH RD; BRADEN ML; WOLBER GJ et al.1983; JOURNAL OF ORGANIC CHEMISTRY; ISSN 0022-3263; USA; DA. 1983; VOL. 48; NO 9; PP. 1509-1514; BIBL. DISSEM.Article

DIMESITYLBORYL COMPOUNDS. II: NITROGEN DERIVATIVESBROWN NMD; DAVIDSON F; WILSON JW et al.1980; J. ORGANOMETAL. CHEM.; CHE; DA. 1980; VOL. 192; NO 1; PP. 133-138; BIBL. 8 REF.Article

INDO STUDY OF THE ANION RADICALS OF ACETIC ACID AND ACETAMIDE. NONPLANARITY AND BARRIERS TO METHYL GROUP ROTATIONSURYANARAYANA D; SEVILLA MD.1980; J. PHYS. CHEM.; ISSN 0022-3654; USA; DA. 1980; VOL. 84; NO 23; PP. 3045-3049; BIBL. 18 REF.Article

PERICYCLIC REACTIONS OF CARBANIONS.STALEY SW.1977; ORG. CHEM.; U.S.A.; DA. 1977; VOL. 35; PART. 1; PP. 199-264; BIBL. 5 P. 1/2Article

TORSIONAL BARRIERS IN 6-AMINO-5-FORMAMIDOPYRIMIDIN-4(3H)-ONES.BERGMANN F; RAHAT M; RABINOVITZ M et al.1977; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1977; NO 10; PP. 1141-1144; BIBL. 15 REF.Article

A MODEL FOR THE PSEUDOROTATION OF CYCLOHEPTANEELSER V; STRAUSS HL.1983; CHEMICAL PHYSICS LETTERS; ISSN 0009-2614; NLD; DA. 1983; VOL. 96; NO 3; PP. 276-278; BIBL. 4 REF.Article

PERI-SUBSTITUENTENEFFEKTE AUF DIE ROTATIONSBARRIERE VON 9-(1,1-DIMETHYL-2-PHENYLETHYL) TRIPTYCEN = EFFET DES SUBSTITUANTS PERI SUR LES BARRIERES DE ROTATION DU (DIMETHYL-1,1 PHENYL-2 ETHYL)-9 TRIPTYCENEYAMAMOTO G; SUZUKI M; OKI M et al.1981; ANGEW. CHEM.; ISSN 0044-8249; DEU; DA. 1981; VOL. 93; NO 6-7; PP. 580-581; BIBL. 6 REF.Article

HINDERED ROTATION IN 1-ALKENYL-NAPHTHALENE ANALOGUES OF BINAPHTHYL: A DYNAMIC N.M.R. STUDYANDERSON JE; HAZLEHURST CJ.1980; J. CHEM. SOC., CHEM. COMMUN.; ISSN 0022-4936; GBR; DA. 1980; NO 24; PP. 1188-1189; BIBL. 7 REF.Article

STABILIZATION OF METHYL ANIONS BY FIRST ROW SUBSTITUENTSCLARK T; KORNER H; VON RAGUE SCHLEYER P et al.1980; TETRAHEDRON LETTERS; GBR; DA. 1980; VOL. 21; NO 8; PP. 743-746; BIBL. 13 REF.Article

ANTISYMMETRIZATION EFFECTS IN BOND-ORBITAL MODELS OF INTERNAL ROTATION BARRIERSCARCORAN CT; WEINHOLD F.1980; J. CHEM. PHYS.; ISSN 0021-9606; USA; DA. 1980; VOL. 72; NO 4; PP. 2866-2868; BIBL. 12 REF.Article

ROLE OF THE PYRIMIDINE BASE IN RIBONUCLEASE A HYDROLYSIS OF RNA. DETERMINATION OF THE CONFORMATION OF CYCLIC BETA -CYTIDINE 2',3'-PHOSPHATE AND CYCLIC BETA -URIDINE 2',3'-PHOSPHATE IN SOLUTION.LAVALLEE DK; MYERS RB.1978; J. AMER. CHEM. SOC.; U.S.A.; DA. 1978; VOL. 100; NO 12; PP. 3907-3912; BIBL. 36 REF.Article

STARKE VERDRILLUNGEN TROTZ SCHWACHER STERISCHER HINDERUNG = ROTATION FORTE EN DEPIT D'UN FAIBLE ENCOMBREMENT STERIQUEBERNDT A; SCHNAUT R; AHRENS W et al.1981; TETRAHEDRON LETT.; ISSN 0040-4039; GBR; DA. 1981; VOL. 22; NO 41; PP. 4043-4044; ABS. ENG; BIBL. 6 REF.Article

ROTATION EMPECHEE DANS LES MOLECULES A LIAISONS FORMEES PAR LES ELEMENTS DU GROUPE VI. I. REACTION DU CHLORURE DE BENZENESELENENYLE AVEC LES N-BENZYLANILINES. ROTATION EMPECHEE AUTOUR DE LA LIAISON AR-SENADDAKA VI; LOGACHEVA II; YUR'EVA VS et al.1976; ZH. ORG. KHIM.; S.S.S.R.; DA. 1976; VOL. 12; NO 12; PP. 2606-2609; BIBL. 10 REF.Article

ACTIVATION ENERGY INSENSITIVITY TO BARRIER-CROSSING CORRELATIONS IN LONG-CHAIN MOLECULESPERCHAK D; WEINER JH.1981; MACROMOLECULES; ISSN 0024-9297; USA; DA. 1981; VOL. 14; NO 3; PP. 785-792; BIBL. 36 REF.Article

MICRO- AND MACROCONFORMATION OF MACROMOLECULES. II: MICROCONFORMATION OF MACROMOLECULES BY FAST EXCHANGE NMR-SPECTRAMOLLER M; RITTER W; CANTOW HJ et al.1980; POLYM. BULL.; DEU; DA. 1980; VOL. 2; NO 8; PP. 543-550; BIBL. 7 REF.Article

THE BARRIER TO INTERNAL ROTATION IN METALLOCENESCARTER S; MURRELL JN.1980; J. ORGANOMETAL. CHEM.; CHE; DA. 1980; VOL. 192; NO 3; PP. 399-408; BIBL. 26 REF.Article

1,5-BIS (2-ISOPROPYLPHENYL)-1,5-DIPHENYLPENTATETRAEN. = LE BIS-(ISOPROPYL-2 PHENYL)-1,5 DIPHENYL-1,5 PENTATETRAENEVON HERRATH M; REWICKI D.1977; ANN. (JUSTUS LIEBIGS) CHEM.; DTSCH.; DA. 1977; NO 4; PP. 582-587; ABS. ANGL.; BIBL. 12 REF.Article

LOCAL DIPOLAR ORDER INDUCED BY STERIC EFFECTS IN SMECTIC B PHASESCOULON G.1982; J. PHYS.; ISSN 0302-0738; FRA; DA. 1982; VOL. 43; NO 7; PP. 1173-1178; ABS. FRE; BIBL. 21 REF.Article

A THEORETICAL APPROACH TO SUBSTITUENT EFFECTS. STABILITIES AND ROTATIONAL BARRIERS OF BETA -SUBSTITUTED ETHYL ANIONSPROSS A; RADOM L.1980; AUSTRAL. J. CHEM.; AUS; DA. 1980; VOL. 33; NO 2; PP. 241-248; BIBL. 23 REF.Article

BARRIERS TO ROTATION ABOUT THE AMIDE (N-CO) AND SULPHENAMIDE (N-S) BONDS IN METHYL N-ARYLSULPHENYL-N-BENZYLURETHANES. A SIMPLE MOLECULAR ORBITAL MODEL TO EXPLAIN SUBSTITUENT EFFECTS ON SULPHENAMIDE ROTATIONAL BARRIERSKOST D; ZEICHNER A; SPRECHER MS et al.1980; J. CHEM. SOC., PERKIN TRANS., 2; GBR; DA. 1980; NO 2; PP. 317-325; BIBL. 30 REF.Article

A MOLECULAR ORBITAL STUDY OF THE PARA-SUBSTITUENT EFFECT IN BENZOIC ACIDSGRAESCU CT; TUGULEA MN.1979; REV. ROUM. CHIM.; ISSN 0035-3930; ROM; DA. 1979; VOL. 24; NO 6; PP. 783-787; BIBL. 15 REF.Article

Modeling of the conformational behavior of polyvinylchlorideBÖLKE, M; MÖLLHOFF, M; HALLPAP, P et al.Colloid and polymer science (Print). 1991, Vol 269, Num 10, pp 972-980, issn 0303-402XArticle

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