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Synthesis of novel functionalized monocylic 2-azetidinones from N,N'-diaryl-α-diimines and lithium ester enolatesALCAIDE, B; GOMEZ, A; PLUMET, J et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 9, pp 2751-2762, issn 0040-4020, 12 p.Article

Reaction of dimethyloxosulfonium methylide with N-arylsulfonylaziridines ― stereospecific conversion of N-arylsulfonylaziridines to N-arylsulfonylazetidinesNADIR, U. K; SHARMA, R. L; KOUL, V. K et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 6, pp 1851-1858, issn 0040-4020, 8 p.Article

Synthesis of ethyl (2RS,3SR)-1-tosyl-3-vinylazetidine-2-carboxylate and ethyl (2RS,E)-3-ethylidene-1-tosylazetidine-2-carboxylate (=rac-ethyl N-tosylpolyoximate)BAUMANN, H; DUTHALER, R. O.Helvetica chimica acta. 1988, Vol 71, Num 5, pp 1025-1034, issn 0018-019XArticle

Stereoselective synthesis of cis-4-(substituted) monobactams from ethyl acetoacetateFERNANDEZ-RESA, P; HERRANZ, R; CONDE, S et al.Journal of the Chemical Society. Perkin transactions. I. 1989, Num 1, pp 67-71, issn 0300-922X, 5 p.Article

Beiträge zur Chemie des Phosphors, 204[1] Zur Existenz eines Triphospharcyclobutenid-Ions P3CH2BAUDLER, M; HAHN, J.Zeitschrift für Naturforschung. B, A journal of chemical sciences. 1990, Vol 45, Num 8, pp 1139-1142, issn 0932-0776Article

The reaction of some 3- and 4-fluorooxetanes with acidsTARRANT, P; BULL, R. N.Journal of fluorine chemistry. 1988, Vol 40, Num 2-3, pp 201-215, issn 0022-1139Article

Preparation of 3-oxo- and 3-ethylideneazetidine derivativesBAUMANN, H; DUTHALER, R. O.Helvetica chimica acta. 1988, Vol 71, Num 5, pp 1035-1041, issn 0018-019XArticle

Die Chemie von Amino-imino-boranen = The chemistry of amino imino boranesNÖTH, H.Angewandte Chemie. 1988, Vol 100, Num 12, pp 1664-1684, issn 0044-8249Article

A concise formal approach to the oxacephem skeleton from an intramolecular Peterson type olefination of N-[bis(trimethylsily)methyl]-β-lactamsPALOMO, C; AIZPURUA, J. M; GARCIA, J. M et al.Tetrahedron letters. 1990, Vol 31, Num 13, pp 1921-1924, issn 0040-4039, 4 p.Article

Mono- und bis(difluorphosphoranyl)ethylen, n-Hexyliden-fluorphosphoran und ein 2,4-Di-n-pentyl-1λ5,3λ-diphosphet = Mono- and bis(difluorphosphoranyl)ethylene, n-Hexylidene-fluorphosphorane and a 2,4-Di-n-pentyl-1λ5,3λ-diphospheteFLUCK, E; KUHM, P; HECKMANN, G et al.Zeitschrift für anorganische und allgemeine Chemie (1950). 1992, Vol 613, pp 31-35, issn 0044-2313Article

Einelektronen-redox-Reaktionen von Octamethyl[4]radialen : Nachweis der Alternanz geradzahligen RadialeneBOCK, H; ROHN, G.Helvetica chimica acta. 1991, Vol 74, Num 6, pp 1221-1232, issn 0018-019XArticle

A convenient synthesis of β-lactams from alkylthioimidatesGROCHOWSKI, E; PUPEK, K.Tetrahedron (Oxford. Print). 1991, Vol 47, Num 33, pp 6759-6768, issn 0040-4020Article

The use of π-allyltricarbonyliron lactone complexes in the synthesis of the β-lactone esterase inhibitor (-)-valilactoneBATES, R. W; FERNANDEZ-MORO, R; LEY, S. V et al.Tetrahedron (Oxford. Print). 1991, Vol 47, Num 47, pp 9929-9938, issn 0040-4020Article

Transannularly bridged Di-μ2-thiotetraborane. X, Dynamics, cis-trans-isomerism reversible rearrangement : bis(diboranyl)'buttergly' structureBINDER, H; MELIDIS, P; SOYLEME, S et al.Journal of the Chemical Society. Chemical communications. 1991, Num 16, pp 1091-1093, issn 0022-4936Article

Synthesis of novel monobactams bearing an (R)-1-hydroxyethyl group and an (S)-1-carbamoyl-oxyethyl group at the C3,4-positionsOBI, K; ITO, Y; TERASHIMA, S et al.Chemical and pharmaceutical bulletin. 1990, Vol 38, Num 4, pp 917-924, issn 0009-2363, 8 p.Article

Über intramolekulare Donator-Akzeptor-Wechselwirkungen in N,N'-Dimethylharnstoff-Derivaten des Phosphors = Interactions intramoléculaires donneur-accepteur dans les dérivés phosphorés de la N,N'-diméthylurée = Intramolecular donor-acceptor interactions in N,N'-di#61methylurea derivatives of phosphorusKAUKORAT, T; SCHMUTZLER, R.Zeitschrift für Naturforschung. B, A journal of chemical sciences. 1989, Vol 44, Num 4, pp 481-487, issn 0932-0776Article

α-Methylen-β-lacton, ein neuer Heterocyclus durch Desoxygenierung von α-Methylen-β-peroxylactonen mit Triphenylphosphan = α-Méthylène β-lactone, un nouveau système hétérocyclique via la désoxygénation d'α-méthylène β-peroxylactones avec la triphénylphosphine = α-Methylene-β-lactone, a novel heterocyclic ring system via deoxygenation of α-methylene-β-peroxylactones with triphenylphosphaneADAM, W; HASEMANN, L; PRECHTL, F et al.Angewandte Chemie. 1988, Vol 100, Num 11, pp 1594-1595, issn 0044-8249Article

A novel synthesis of the monobactam antibiotic carumonamMANCHAND, P. S; KIN-CHUN LUK; BELICA, P. S et al.Journal of organic chemistry. 1988, Vol 53, Num 23, pp 5507-5512, issn 0022-3263Article

A total synthesis of oxetanocin, a novel nucleoside with an oxetane ringNISHIYAMA, S; YAMAMURA, S; KATO, K et al.Tetrahedron letters. 1988, Vol 29, Num 37, pp 4743-4746, issn 0040-4039Article

Synthetic studies on oxetanocin, a novel nucleoside with an oxetane ring synthesis of some chiral D-oxetanosyl acylatesNISHIYAMA, S; YAMAMURA, S; KATO, K et al.Tetrahedron letters. 1988, Vol 29, Num 37, pp 4739-4742, issn 0040-4039Article

Verbindungen mit dem 1,3-dimethyl-1,3-diaza-2-phosphetidin-4-on-Grundgerüst ; synthese von 1,3-dimethyl-2-thia-1,3-diaza-2λ4-phosphetidin-4-on-derivatenBREKER, J; WERMUTH, U; SCHMUTZLER, R et al.Zeitschrift für Naturforschung. B, A journal of chemical sciences. 1990, Vol 45, Num 10, pp 1398-1406, issn 0932-0776Article

Molekül- und Kristallstrukture des 2,4-bis(diisopropylamino)-3-phenyl-1,3,2,4-thiazadiboretidins = Crystal and molecular structure of 2,4-bis(diisopropylamino)-3-phenyl-1,3,2,4-thiazadiboretidineHABBEN, C. D; NOLTEMEYER, M.Zeitschrift für Naturforschung. B, A journal of chemical sciences. 1989, Vol 44, Num 7, pp 853-856, issn 0932-0776, 4 p.Article

Some new 3-substituted 3-hydroxyselenetanes and their loss of seleniumPOLSON, G; DITTMER, D. C.Journal of organic chemistry. 1988, Vol 53, Num 4, pp 791-794, issn 0022-3263Article

A β-lactam framework as a β-alanyl dication equivalent : new synthesis of α-amino acid N-carboxcy anhydrides (NCAs) derived from β-substituted alaninesPALOMO, C; AIZPURUA, J. M; GANBOA, I et al.Journal of the Chemical Society. Chemical communications. 1994, Num 12, pp 1505-1507, issn 0022-4936Article

β-Lactame und β-Lactam-Zwischenprodukte. II: Stereoselektive Synthese von cis-3-Amino-1,4-diphenyl-azetidin-2-on = β-Lactams and β-lactam-intermediates. II: Stereoselective synthesis of cis-3-amino-1,4-diphenyl-azetidin-2-oneAMBROSI, H.-D; KUNATH, A; JÄHNISCH, K et al.Archiv der Pharmazie (Weinheim). 1993, Vol 326, Num 6, pp 319-321, issn 0365-6233Article

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