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  • 1
    Electronic Resource
    Electronic Resource
    Darstellung und Eigenschaften von 1,2,3-Thiazaborolen, 3-Sulfoimido- und 3-Pseudohalogeno-1,2,3-dithiaborolen (1989)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 573 (1989), S. 199-207 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Properties of 1,2,3-Thiazaboroles, 3-Sulfoimido- and 3-Pseudohalido-1,2,3-dithiaborolesThe reactions of 3,4,5-trimethyl- and 4,5-diethyl-3-methyl-1,2,3-dithiaborole with di-t.-butylsulfurdiimide leads to the 1,2,3-thiazaboroles 2. 3-Bromo-1,2,3-dithiaboroles react with trimethylsilyl-N-sulfinylamine, -isocyanate, and -cyanide by formation of 3-sulfoimido- (3), 3-isocyanato- (4), and 3-cyano- (5) -1,2,3-dithiaboroles. 3-Isothiocyanato-1,2,3-dithiaboroles (6) are formed by addition of elemental sulfur to 5. 1H-, 11B-, 13C-, 14N-, 15N-NMR-, mass-, and IR spectra are reported and discussed.
    Notes: Die Reaktionen von 3,4,5-Trimethyl- und 4,5-Diethyl-3-methyl-1,2,3-dithiaborol mit Di-t.-butylschwefeldiimid führen zu den 1,2,3-Thiazaborolen 2. 3-Brom-1,2,3-dithiaborole reagieren mit Trimethylsilyl-N-sulfinylamin, -isocyanat und -cyanid unter Bildung von 3-Sulfoimido- (3), 3-Isocyanato- (4) und 3-Cyano- (5) -1,2,3-dithiaborolen. 3-Isothiocyanato-1,2,3-dithiaborole (6) werden gebildet bei Addition elementaren Schwefels an 5. 1H-, 11B-, 13C-, 14N-, 15N-NMR, Massen- und IR-Spektren werden mitgeteilt und diskutiert.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19895730120
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  • 2
    Electronic Resource
    Electronic Resource
    Synthese und Charakterisierung von 1,3,2,4-Thiazadiboretidinen (1987)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 120 (1987), S. 999-1001 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of the 3,5-bis(diamino)-1,2,4,3,5-dithiazadiborolidines 1d-j with elemental sodium leads to ring contraction and formation of the 1,3,2,4-thiazadiboretidines 2d-j. NMR (1H, 11B, 13C) and MS data are reported.
    Notes: Die 3,5-Bis(diamino)-1,2,4,3,5-dithiazadiborolidine 1d-j reagieren mit metallischem Natrium unter Ringkontraktion zu den 1,3,2,4-Thiazadiboretidinen 2d-j. NMR (1H, 11B, 13C) und MS-Daten werden mitgeteilt.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19871200619
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  • 3
    Electronic Resource
    Electronic Resource
    Synthese und Charakterisierung von 1,3,2λ5,4-Thiazaphosphaboretidinen (1989)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 122 (1989), S. 861-864 
    Details
    ISSN: 0009-2940
    Keywords: Aminoiminophosphanes ; 1,3,2λ5,4-Thiazaphosphaboretidines ; 1,2,4,3,5-Trithiadiborolanes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Characterization of 1, 3, 2λ5, 4-ThiazaphosphaboretidinesThe reaction of 1,2,4,3,5-trithiadiborolanes with silylated aminoiminophosphanes leads to the 1,3,2λ5,4-thiazaphosphaboretidines 1a-i. The formation of 1h, i is accompanied by an exchange of the substituents bonded to the N atoms. 1H-, 11B-, 13C-, 29Si-, 31P-NMR, and mass spectra are discussed.
    Notes: Die Umsetzung von 1,2,4,3,5-Trithiadiborolanen mit silylierten Aminoiminophosphanen führt zu den 1,3,2λ5,4-Thiazaphosphaboretidinen 1a-i. Die Bildung von 1h, i wird von einem Austausch der N-ständigen Substituenten begleitet. 1H-, 11B-, 13C-, 29Si-, 31P-NMR- und Massenspektren werden diskutiert.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19891220511
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  • 4
    Electronic Resource
    Electronic Resource
    Synthese und Eigenschaften von 1,2,4,3-Thiadiazaboretidinen. Kristallstruktur des 2,4-Di-tert-butyl-3-phenyl-1,2,4,3-thiadiazaboretidins (1991)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 124 (1991), S. 47-50 
    Details
    ISSN: 0009-2940
    Keywords: Sulfur diimides ; 1,3-Cycloaddition, reductive ; 1,2,4,3-Thiadiazaboretidines ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Synthesis and Properties of 1,2,4,3-Thiadiazaboretidines. Crystal Structure of 2,4-Di-tert-butyl-3-phenyl-1,2,4,3-thiadiazaboretidineReaction of sulfur diimides with alkyl(aryl)bis(methylthio)boranes leads to reductive 1,3-cycloaddition of the NSN sequence with formation of the 1,2,4,3-thiadiazaboretidines 2a-g. NMR (1H, 11B, 13C, 15N, 29Si), mass spectra and the results of the X-ray analysis of 21 are reported and discussed. The 11B chemical shifts have been calculated for 3-phenyl-1,2,4,3-thiadiazaboretidine and some related model compounds by the IGLO method and correlate acceptably with the experimental values.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19911240108
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  • 5
    Electronic Resource
    Electronic Resource
    N,N′-Dilithiobis(alkylamino)phenylborane als Synthesebausteine für viergliedrige Metallacyclen (1990)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 123 (1990), S. 703-706 
    Details
    ISSN: 0009-2940
    Keywords: 4,4′-Spirobi(1,3-diaza-2-bora-4-metallacyclobutanes)/1,3-Diaza-2-bora-4-metallacyclobutanes/Metallaheterocycles with Ge, Sn, Ti, Zr ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: N,N′-Dilithiobis(alkylamino)phenylboranes as Starting Materials for Four-Membered MetallacyclesReactions of N,N′-Dilithiobis(alkylamino)phenylboranes with tetrachlorides MCl4 (M = Ge, Sn, Ti, Zr) produce the 4,4′-spirobi(1,3-dialkyl-2-phenyl-1,3-diaza-2-bora-4-metalla-cyclobutane) derivatives 1a, 1b, 2b, 3a, and 3b. With diorganylmetal dihalides R2MX2(M = Sn, Zr; X = Cl, Br), the 1,3-diaza-2-bora-4-metallacyclobutanes 2a and 4 are obtained. For 3a an X-ray structure analysis has been performed.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19901230409
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  • 6
    Electronic Resource
    Electronic Resource
    Synthese und Charakterisierung neuer Se- und S-haltiger Bor-Heterocyclen: 2,3-Dihydro-1,2,3-selenazaborole und 3H-2,1,3-Thiaselenaborole (1988)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 121 (1988), S. 1967-1970 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Characterization of New Se-and S S-Containing Boron Heterocycles: 2,3-Dihydro-1,2,3-selenazaboroles and 3H-2,1,3-Thiaselenaboroles3-Alkyl-3H-1,2,3-diselenaboroles 1 react with sulfur diimides by formation of the hitherto unknown 3-alkyl-2,3-dihydro-1,2,3-selenazaboroles 2. The unexpected substitution of boron-bonded nitrogen by sulfur leads to the 3-alkyl-3H-2,1,3-thiaboroles 3. The 1H-, 11B-, 13C-, 15N-, 29Si-, 77Se-NMR, and mass spectra are discussed.
    Notes: 3-Alkyl-3H-1,2,3-diselenaborole 1 reagieren mit Schwefeldiimiden unter Bildung der bisher unbekannten 3-Alkyl-2,3-dihydro-1,2,3-selenazaborole 2. Die unerwartete Substitution des Bor-ständigen Stickstoffs durch Schwefel führt zu den 3-Alkyl-3H-2,1,3-Thiaselenaborolen 3. Die 1H-, 11B-, 13C-, 15N-, 29Si-, 77Se-NMR- und Massenspektren werden diskutiert.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19881211112
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