Accoun ts Letters - Thieme Chemistry
Accoun ts Letters - Thieme Chemistry
Accoun ts Letters - Thieme Chemistry
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Table of Conten<strong>ts</strong> IX<br />
1292<br />
Highly Enantioselective Synthesis of Substituted<br />
Piperidines using the Chiral Lithium Amide Base<br />
Approach<br />
N. J. Goldspink, N. S. Simpkins, M. Beckmann<br />
1295<br />
<strong>Chemistry</strong> of Insect Antifeedan<strong>ts</strong> from Azadirachta<br />
indica (Part 22): Functionalisation of the Decalin<br />
Fragment of Azadirachtin via a Claisen Rearrangement<br />
Reaction<br />
S. V. Ley, C. E. Gutteridge, A. R. Pape, C. D. Spilling,<br />
C. Zumbrunn<br />
1298<br />
The Baker’s Yeast Reduction of the b-Keto Aldehydes<br />
in the Presence of a Sulfur Compound<br />
R. Hayakawa, M. Shimizu<br />
1301<br />
N-Carboalkoxy-2-Nitrobenzenesulfonamides:<br />
A Practical Preparation of N-Boc-, N-Alloc-, and<br />
N-Cbz-Protected Primary Amines<br />
T. Fukuyama, M. Cheung, T. Kan<br />
1304<br />
Triazenes: A Useful Protecting Strategy for Sensitive<br />
Secondary Amines<br />
R. Lazny, J. Poplawski, J. Köbberling, D. Enders, S. Bräse<br />
1307<br />
Diastereoselectivity in Michael Additions to a<br />
Pyrrolidinyl Enone<br />
R. W. Bates, P. Kongsaeree<br />
MeO2C<br />
TESO<br />
MeO2C R 1<br />
N CO2Me<br />
Bn<br />
H<br />
O<br />
Ph<br />
MeO2C TESO<br />
O OBnR2<br />
O<br />
Ph<br />
N<br />
Li<br />
Ph<br />
N<br />
Li Ph<br />
THF, -78 °C<br />
electrophile<br />
(≥ 98% ee)<br />
R 1<br />
O OH<br />
H<br />
R2 R1 O<br />
OH<br />
R2 R1 OH<br />
R2 Baker's Yeast<br />
Sulfur-Compound<br />
N<br />
O Ot DAST<br />
CH2F Bu<br />
∆<br />
MeO 2C<br />
TESO<br />
MeO2C H<br />
O<br />
N CO2Me<br />
Bn E<br />
MeO2C<br />
TESO<br />
O OBn<br />
R2 R<br />
OH<br />
1<br />
N<br />
O Ot CH2OH DAST<br />
Bu<br />
OH<br />
R 2<br />
O<br />
OH<br />
N O<br />
O<br />
R 1<br />
<strong>Letters</strong>