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2005
Aldehydes
P 0170
32- 075
A Practical Method for the Synthesis of 2-Alkynylpropenals. — The synthesis of
the title compounds is achieved by Sonogashira coupling and Dess—Martin oxidation.
Critical to the success is the use of a special work-up procedure B) for the oxidation
step. The enynals (IV) are useful synthons which smoothly undergo aldol condensation
and reaction with organolithiums as well as dimerization. — (THONGSORNKLEEB,
C.; DANHEISER*, R. L.; J. Org. Chem. 70 (2005) 6, 2364-2367; Dep. Chem., MIT,
Cambridge, MA 02139, USA; Eng.) — Jannicke
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