synlett 07/2007 - Thieme Chemistry
synlett 07/2007 - Thieme Chemistry
synlett 07/2007 - Thieme Chemistry
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Clusters<br />
Spotlights<br />
XIV Table of Contents<br />
1163 M. Shimizu*<br />
M. Higashi<br />
Y. Takeda<br />
G. Jiang<br />
M. Murai<br />
T. Hiyama<br />
1166 S. Purser<br />
C. Wilson<br />
P. R. Moore<br />
V. Gouverneur*<br />
1169 T. Mori<br />
J. Ichikawa*<br />
1172 Compiled by<br />
D. Rodrigues da Rocha<br />
Novel Generation of 3,3,3-Trifluoropropynyllithium and Transformation of<br />
the Carbonyl Adducts to Trifluoromethyl-Substituted Allenes<br />
Cl<br />
Cl<br />
O<br />
CF3<br />
1) TsCl<br />
Et3N<br />
2) 2 BuLi<br />
Li<br />
CF3<br />
1) R 1 R 2 CO<br />
2) TsCl or MsCl<br />
Et3N<br />
3) R 3 ZnCl<br />
Pd cat.<br />
Highly Diastereoselective Electrophilic Fluorination of Cyclic<br />
syn-b-Hydroxysilanes<br />
SiMe 2R 1<br />
() n<br />
OR 2<br />
Selectfluor ® (1.1 equiv),<br />
NaHCO3 (1.2 equiv)<br />
MeCN, r.t., 72 h<br />
n = 1 or 2<br />
OR 2<br />
()<br />
F n<br />
yields up to 90%<br />
dr up to > 98:2<br />
ee up to 86%<br />
Radical 6-endo-trig Cyclization of b,b-Difluoro-o-isocyanostyrenes:<br />
A Facile Synthesis of 3-Fluoroquinolines and Their Application to the<br />
Synthesis of 11-Alkylated Cryptolepines<br />
F2C<br />
C<br />
R<br />
N<br />
F<br />
F<br />
n-Bu 3Sn<br />
n-Bu3SnH cat. AIBN<br />
R<br />
N<br />
n-Bu3Sn<br />
i) EX<br />
ii) DBU<br />
R<br />
δ+ δ–<br />
F2C<br />
Oxalyl Chloride: A Versatile Reagent in Organic Synthesis<br />
F<br />
E<br />
N<br />
R<br />
N<br />
R 1<br />
R 2<br />
CF 3<br />
R 3
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