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2005
Polyphenylalkyne derivatives
Q 0750
Highly Enantioselective Phenylacetylene Addition to Aromatic Ketones Catalyzed
Cinchona Alkaloid—Aluminum Complexes. — The procedure represents a new
25- 091 by
method to prepare optically active tertiary propargyl alcohols like (III) which are important synthons. AlEt3 is used for the first time as Lewis acid in this kind of reaction.
Additionally, coupling of aliphatic and α,β-unsaturated ketones with phenylacetylene
is studied. — (LIU, L.; WANG*, R.; KANG, Y.-F.; CHEN, C.; XU, Z.-Q.; ZHOU,
Y.-F.; NI, M.; CAI, H.-Q.; GONG, M.-Z.; J. Org. Chem. 70 (2005) 3, 1084-1086;
Dep. Biochem. Mol. Biol., Sch. Life Sci., Lanzhou Univ., Lanzhou 730000, Peop. Rep.
China; Eng.) — Jannicke
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