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Synthesis and thermal decarbonylation of W(CO)(5) complexes supported by nitrile, pyridine or phosphine ligands to poly-spirophosphazene random copolymers carrying O-C6H5-CO2Pr groups
(PERGAMON-ELSEVIER SCIENCE LTD, 2006-01-02)
The phosphazene copolymers {[NP(O2C12H8)](0.5)[NP(O-C6H4-CO2Pr")(O-C6H4-L)](0.5)}(n) [L=CN (1), PPh2, (2)] and {[NP(O2C12H8)](0.6)[NP(O-C6H4-CO2Pr")(O-C6H4-L)](0.4)}(n) (3) have been synthesized by sequential substitution ...
Taxonomic and nomenclatural aspects of Hypoxylon taxa from southern South America proposed by Spegazzini
(Taylor & Francis, 2009-10)
The holotypes and isotypes of 20 Hypoxylon taxa described by Spegazzini have been examined and their taxonomic positions and nomenclatural problems are discussed. Two new combinations, Annulohypoxylon apiahynum comb. nov. ...