منابع مشابه
The stabilization of gallane and indane by a ring expanded carbene.
7Dipp Complexes of the group 13 binary hydrides GaH3 and InH3 have been prepared. Both adducts possess excellent thermal stability in the solid state but decompose readily in solution at ambient temperature. The presence of short M-H···H-CAlkyl distances in the structures of both [MH3(7Dipp)] complexes is discussed.
متن کاملSynthesis of a ring-expanded bryostatin analogue.
The bryostatins are a family of marine natural products that display a wide range of biological activities, most notably their anticancer activity in vivo.1 This effect is attributed to their ability to modulate the functions of protein kinase C isozymes within cells. One of the members of this family, bryostatin 1, is currently in several phase I and phase II clinical trials for the treatment ...
متن کاملExpanded ring N-heterocyclic carbene adducts of group 15 element trichlorides: synthesis and reduction studies.
Reactions of the expanded ring N-heterocyclic carbene, 6-Dip (:C{N(Dip)CH2}2CH2, Dip = 2,6-diisopropylphenyl), with group 15 element trichlorides have yielded the monomeric complexes, [(6-Dip)ECl3] (E = P, As or Sb), two examples of which (E = P and Sb) have been crystallographically characterised. Reduction of [(6-Dip)PCl3] with KC8 yielded the unusual tetraphosphorus dicationic complex, [(6-D...
متن کاملExpanded ring and functionalised expanded ring N-heterocyclic carbenes as ligands in catalysis.
The synthesis of new functionalised 6- and 7-membered NHC (N-heterocyclic carbene) precursors bearing anisidyl or pyridine N-substituents, both symmetrically and non-symmetrically substituted is reported. Their corresponding rhodium(i) and iridium(i) complexes, M(COD)(NHC)Cl, were also prepared and characterised. The unusual Rh(iii)/Rh(i) salt, [Rh(eta(2)-NHC-py)(2)Cl(2)][Rh(COD)Cl(2)], was obt...
متن کاملRing-contraction vs ring-expansion reactions of spiro-cyclopropanecarboxylated sugars.
Electrophilic ring opening of spiro-cyclopropanecarboxylated sugars followed by reaction with DBU revealed interesting ring-contraction and ring-expansion reactions depending on the substrate and the kind of hydroxyl protective group present adjacent to the spiro center. A stereoselective method for accessing a new class of carbon chain extended keto-furanoses and C-glycosylated bicyclic compou...
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ژورنال
عنوان ژورنال: Dalton Transactions
سال: 2017
ISSN: 1477-9226,1477-9234
DOI: 10.1039/c7dt03046k