POLYHEDRAL OXABORANE CHEMISTRY. SOME COMPARATIVE 11B NMR SHIELDING PATTERNS WITHIN THE TWELVE-VERTEX NIDO-TYPE GEOMETRY

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1. TABLE OF CONTENTS
2. SYNTHESIS AND SPECTRAL STUDIES OF BIS{DIALKYL- [TRANS-3-(2-THIOPHENYL)-2-PROPENOATO]TIN} OXIDES: CRYSTAL STRUCTURE OF {[(CH3)2SnO2C-CH=CH-C4H3S]2O}2
3. NOVEL LEAD(IV) REAGENTS FOR CARBON-CARBON BOND FORMATION
4. TETRAMERIC TRICHLOROANTIMONY(V) ALKYLARSONATES
5. STABLE METALLA-ALKENES >M=C< AND DIMETALLA-ALKENES >M=M< (M : Si, Ge, Sn)
6. PREPARATION AND CHARACTERIZATION OF AMINE ADDUCTS OF ORGANOZINC AND CADMIUM COMPOUNDS. X-RAY CRYSTAL STRUCTURE OF DIETHYL(1,4-DIAZABICYCLO[2,2,2]OCTANE)ZINC(II)
7. SYNTHESIS, CRYSTAL AND MOLECULAR STRUCTURE OF 1,3-BIS[5-(3-METHYLISOXAZOLINO-2)]-1,1,3,3- TETRAPHENYLDISILOXANE
8. POLYHEDRAL OXABORANE CHEMISTRY. SOME COMPARATIVE 11B NMR SHIELDING PATTERNS WITHIN THE TWELVE-VERTEX NIDO-TYPE GEOMETRY
9. CRYSTAL AND MOLECULAR STRUCTURE OF CHLORODIMETHYLTIN ΒIS(p-CHLOROBENZOYLHYDRAZINE) CHLORIDE p-CHLOROBENZOYLHYDRAZINE: A DIORGANOTIN CATION WITH PENTAGONAL BIPYRAMIDAL COORDINATION
10. ANNOUNCEMENTS