Stereochemistry of the 2-hydroxy-1,2,3,4
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Toshihisa Ogawa; Keita Matsumoto; Misa Yoshimura; Katsuo Hatayama; Kunihiro Kita
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Article
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1993
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Elsevier Science
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French
โ 267 KB
Hantxsch cyclization of cyanoethyl3-aminwrotonate and (E,Z)-4dialkoxymethyl-2-benzylidene-acetoacetates (5a,b) afforded-3,4-rrons-2-hydroxy-l.2,3,4-tcuahydropyridine (Ya,b) in high stereoselectivity. In the last decade, synthetic studies of 1,4dihydropyridine derivatives have been carried out in man