ppm (s, 30H, Cp*), vol.11 ,
, MS (ESI + ) m/z: calculated for C 20 H 33 B 2 S 7 Co, vol.2, p.2436
, MS (ESI + ) m/z: calculated for C 20 H 32 B 2 S 7, vol.3
22°C): ? = 3.69 (s, 3H, B-H t ), 1.51 ppm (s, 15H, Cp*); 11 B{ 1 H} NMR (160 MHz, 2436, 2373 (B-H t ). 4: 1 H NMR (500 MHz, vol.3 ,
Synthesis of Compounds 5, 6 and 7. The compounds 5, 6, and 7 were synthesized from the reaction of, p.2473 ,
, mmol) and, 2018.
, 56) were afforded on elution with n-hexane/CH 2 Cl 2 (60:40 v/v) in thin layer chromatographic work-up, MS (ESI + ) m/z: calculated for C 10 H 19 B 3 Se 7 Co, vol.5
22°C): ? = 114, CDCl, vol.3, issue.9 ,
MS (ESI + ) m/z: calculated for C 20 H 34 B 3 Se 9 Co 3 [M] + , 1194.3519; found, 1194.3456. 1 H NMR (500 MHz, toluened 8 , 22°C): ? = 1.33 (s, 30H, Cp*), ?3.60 ppm (s, 1H, vol.6, p.2462 ,
22°C): ? = 4.42 (s, 1H, B-H t ), 1.64 (s, 1H, B-H t ), 1.58 ppm (s, 30H, Cp*); 11 B{ 1 H} NMR (160 MHz, CDCl 3 , 22°C): ? = ?5.6, ?12.9 ppm; 13 C{ 1 H} NMR (125 MHz, MS (ESI + ) m/z: calculated for C 20 H 33 B 2 Co 2 Se 5, vol.7, p.2437 ,
, IR (dichloromethane, cm ?1 ): 2453, 2368 (B-H t )
Silver ion catalyzed rearrangements of strained sigma bonds. Application to the homocubyl and 1,1'-bishomocubyl systems, J. Am. Chem. Soc, vol.89, issue.1, 1011. ,
Cubanes: starting materials for the chemistry of the 1990s and the new century, Angew. Chem., Int. Ed. Engl, vol.86, pp.4574-4576, 1421. ,
Polynitrocubanes: advanced high-density, high-energy materials, Propellants, Explos., Pyrotech, vol.27, pp.1143-1148, 2000. ,
Silver(I) ion catalyzed rearrangements at strained ? bonds. XXVIII. Valence isomerization of homocubanes. Reversible complex formation and kinetic substituent effects operating during silver(I)-induced bond reorganization, 11th Asia-Pacific Conference on Combustion, vol.97, pp.1101-1112, 1975. ,
Silver(I) ion catalyzed rearrangements of strained ? bonds. XXX. Rhodium(I)-and Palladium(II)-promoted rearrangements of homocubanes. A comparison of kinetic reactivity and product distribution with substituent alteration, J. Am. Chem. Soc, vol.97, pp.1118-1124, 1975. ,
Characterization of {M 8 ,
homocubane clusters by 252 Cfplasma desorption mass spectrometry, Int. J. Mass Spectrom, vol.222, pp.493-501, 2003. ,
Cyclopentadienylcobalt sulfide and selenide cluster compounds: synthesis and structural characterizations, Inorg. Chim. Acta, vol.358, pp.1401-1406, 2005. ,
Abiological Iron?Sulfur clusters, Chem. Rev, vol.98, 1998. ,
A family of heterometallic cubane-type clusters with an exo-Fe(CO) 3 fragment anchored to the cubane, Angew. Chem., Int. Ed, vol.50, pp.3908-3911, 2011. ,
Homometallic Cubane Clusters: Participation of Three-Coordinated Hydrogen in 60-Valence Electron Cubane Core, Supraicosahedral polyhedra in metallaboranes: synthesis and structural characterization of 12-, 15-, and 16-vertex rhodaboranes, vol.51, pp.6705-6712, 2012. ,
Trimetallic cubane-type clusters: transition-metal variation as a probe of the roots of hypoelectronic metallaheteroboranes, Inorg. Chem, vol.57, pp.10896-10905, 2018. ,
URL : https://hal.archives-ouvertes.fr/hal-01862463
Hypoelectronic isomeric diiridaboranes [(Cp*Ir) 2 B 6 H 6 ]: the "Rule-Breakers" (Cp* = ? 5 -C 5 Me 5 ), Chem. Commun, vol.52, pp.3199-3202, 2016. ,
Cp 2 M) 2 B 9 H 11 ] (M = Zr or Hf): early transition metal "guarded" heptaborane with strong covalent and electrostatic bonding, Chem. Sci, vol.9, 1976. ,
, Synthesis, structure, bonding and reactivity of metal complexes comprising diborane(4) and diborene
Chemistry of diruthenium analogue of pentaborane(9) with heterocumulenes: toward novel trimetallic cubane-type clusters, Angew. Chem., Int. Ed, vol.57, issue.11, pp.10527-10535, 2014. ,
Reductions with sulfurated borohydrides. III. Borohydrides incorporating selenium and tellurium, Eur. J. Inorg. Chem, vol.33, issue.12, pp.3695-3697, 1968. ,
Me] with chalcogenated borohydrides Li[BH 2 E 3 ] and B{ 1 H} and 1 H chemical shift values could not be unambiguously assigned until the pure spectroscopic data for 2 was realized, Acta Chem. Scand, vol.25, issue.14, pp.3781-3792, 1971. ,
,
Cp*Rh) 2 (?-E) 2 (? 3 -E) 4 B 2 H 2 ] is 72 [14(Cp*Rh) × 2 + 6(S, Se) × 6 + 4 (BH) × 2] and for ruthenium analogue [(Cp*Ru) 2 (?-E) 2 (? 3 -E) 4 B 2 H 2 ] (E = S or Se) it is 70. Note that the shortage of two electrons for the latter is supplemented by the formation of one Ru?Ru bond, Tetrahedron Lett, vol.121, issue.17, pp.4125-4127, 1970. ,
Syntheses of (D 3 )-trishomocubane, J. Chem. Soc., Chem. Commun, pp.976-977, 1974. ,
Synthesis and Absolute Configuration of Enantiomerically Pure D 3 -Trishomocubanes, Angew. Chem., Int. Ed. Engl, vol.42, pp.116-117, 1977. ,
Theoretical and experimental investigations on hypoelectronic heterodimetallaboranes of group 6 transition metals, Inorg. Chem, vol.51, pp.10375-10383, 2012. ,
URL : https://hal.archives-ouvertes.fr/hal-00753612
161?170. (22) (a) Wade, K. The structural significance of the number of skeletal bonding electron-pairs in carboranes, the higher boranes and borane anions, and various transition-metal carbonyl cluster compounds, Metal Atoms in the Synthesis of Metal Clusters, VIII. On the Reaction of Sterically Demanding Cyclopentadiene Ligands with Cobalt Atoms: Synthesis, Crystal Structure, vol.130, pp.93-144, 1976. ,
URL : https://hal.archives-ouvertes.fr/in2p3-00010773
Crystal structure of a tetracobalt tetraboron cluster, (? 5 -C 5 H 5 ) 4 Co 4 B 4 H 4 . Structural patterns in eightvertex polyhedra, Inorg. Chem, vol.18, pp.257-263, 1979. ,
A Cationic High-Valent Cp*CoIII Complex for the Catalytic Generation of Nucleophilic Organometallic Species: Directed C?H Bond Activation, Angew. Chem., Int. Ed, vol.52, issue.25, 2013. ,