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Synthesis of threo- and erythro-3-pentulose by aldol type reaction in water

โœ Scribed by Yoshihiro Shigemasa; Kazuhiro Yokoyama; Hitoshi Sashiwa; Hiroyuki Saimoto


Book ID
103406886
Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
270 KB
Volume
35
Category
Article
ISSN
0040-4039

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Asymmetric synthesis of threo- and eryth
โœ Yoshihiko Ito; Masaya Sawamura; Tamio Hayashi ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 131 KB

Asymmetric aldol reaction of methyl a-lsoryanoacetate with (&2-hexadecenal In the presence of 1 mol% of a choral (amlnoalkyl)ferrocenylphosphlne-gold(I) romplex gave optirally active trans-4-(methoxycarbonyl)-5-((E)-l-pentade~enyl)-2-oxazollne (93% ee) which was readily converted into Q-threo-and er