Substituted 1,3,2,4-benzodithiadiazines
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Irina Yu. Bagryanskaya; Yuri V. Gatilov; Alexander Yu. Makarov; Alexander M. Mak
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Article
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1999
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John Wiley and Sons
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English
โ 342 KB
๐ 1 views
## The preferred direction of cyclization is consistent with thermodynamics of the corresponding intermediate r-complexes as well as factors of kinetic control for an orbital-controlled El-Nu reaction. According to the X-ray diffraction data, the molecules of 5-CF 3 ( 15) and 6-F ( 12) derivatives