The stereochemistry of Ei reaction of N-p-toluenesulphonyl sulphilimines
✍ Scribed by K. Tsujihara; K. Harada; N. Furukawa; S. Oae
- Book ID
- 108372728
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- French
- Weight
- 501 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0040-4020
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## Abstract The reaction mixture formed during the heating of pyridine‐N‐oxide with __p__‐toluenesulphonyl chloride contains, together with pyridine, 2,3′‐dipyridyl ether, 3‐pyridyl __p__‐toluenesulphonate and N‐(2Prime;‐pyridyl)‐pyridone‐2 two chloro compounds, viz. N‐(2′‐pyridyl)‐5‐chloro‐pyridon
Ene reactions of sulfonylimine J& with cyclohexene and trans-2-butene are highly stereoselective, affording products 2 and l0, respectively. Recently, Achmatowicz reported that N-toluenesulfonylimine & derived from n-butyl glyoxylate undergoes facile ene reactions thermally or under Lewis acid cata