Acylation reactions mediated by tantalum carboxylates
Facile nucleophilic attack on coordinated carboxylate ligaods is reported: complexes of tantalum(V) react rapidly with amines and amino acid esters to give the corresponding amides. Cyclopentadienyltantalum(V) amino acid carboxylate complexes have been pr
Joshi, Kiran,Bao, Jiang,Goldman, Alan S.,Kohn, Joachim
p. 6649 - 6652
(2007/10/02)
Resin glycosides. XV. Simonins I-V, ether-soluble resin glycosides (jalapins) from the roots of Ipomoea batatas (cv. Simon)
Five new ether-soluble resin glycosides (jalapins), simonins I-V, have been isolated from the roots of Ipomoea batatas and characterized on the bases of chemical and spectral data. Simonin I is the first example of resin glycoside with aromatic acid (trans-cinnamic acid) as a component organic acid.
Noda,Yoda,Kawasaki,Miyahara
p. 3163 - 3168
(2007/10/02)
New ingenol-esters as piscicidal constituents of Euphorbia cotinifolia L
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Hirota,Ohigashi,Oki,Koshimizu
p. 1351 - 1356
(2007/10/02)
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