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Cover Picture Total Synthesis of Synechoxanthin through Iterative Cross-Coupling (Angew. Chem. Int. Ed. 342011)

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D 3461
www.angewandte.org
2011–50/34
Nitridosilicates and Oxonitridosilicates
W. Schnick et al.
Cyclobutanes in Catalysis
N. Cramer et al.
Asymmetric Bromoamination
K. Ding and S.-X. Huang
Reductive Cyclization with SmI2
D. J. Procter and M. Szostak
ACIEFS 50 (34) 7705–7954 (2011) · ISSN 1433–7851 · Vol. 50 · No. 34
Cover Picture
Seiko Fujii, Stephanie Y. Chang, and Martin D. Burke*
Iterative cross-coupling of preassembled building blocks is a simple strategy for the
construction of complex small molecules. M. D. Burke and co-workers describe in
their Communication on page 7862 ff. the efficient transformation of a boronate
functional group into either a nucleophile or an electrophile. This advance enabled
the total synthesis of synechoxanthin by assembling three building blocks iteratively
with only one reaction.
Ceramic Materials
Nitridosilicates and related compounds have undergone a renaissance. In their
Review on page 7754 ff., W. Schnick and co-workers present the remarkable
spectrum of structural features and versatile applications of these compounds as
functional materials.
Organolithium Compounds
In their Communication on page 7776 ff., J. Klett et al. present extraordinary crossing
reactions that involve three common organolithium reagents, namely
cyclopentadienide, lithium tetramethylpiperidide, and n-butyllithium.
RNA Structure Elucidation
Hydrogen bonds involving the backbone phosphate moieties as acceptors often
stabilize RNA tertiary structure elements. J. Wçhnert and co-workers describe in
their Communication on page 7927 ff. how such bonds can be detected by NMR
spectroscopy.
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int, cover, angel, synthesis, tota, iterative, chem, couplings, cross, picture, synechoxanthin, 342011
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