✍ Scribed by Tsuge, Hiroyasu; Okano, Takashi; Eguchi, Shoji
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## Abstract magnified image Asymmetric 1,3‐dipolar cycloadditions of chiral nitrones to 1‐propene‐1,3‐sultone (**1**) were investigated. Chiral nitrones **6a‐e** reacted with sultone **1** in toluene at 90 °C for 24‐36 h to give the corresponding isoxazolidines in moderate yields with high regiose
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
The synthesis of 2-phenyl-3-aryl and 2-phenyl-3-aroyl derivatives 5-(1,2-O-isopropylidene-alpha-D-xylo-tetrofuranos-4-yl)isoxazolidi ne (3) from nitrones and 5,6-dideoxy-1,2-O-isopropylidene-alpha-D-xylo-hex-5- enofuranose (1) is described. The 1,3-dipolar cycloaddition reactions given mainly anti a
A regio-and stereo-selective introduction of nitrogen functions to double bonds of acyclic,