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ChemInform Abstract: N-Nitroenamines in Polar (2 + 2) Cycloadditions.

โœ Scribed by V. P. IVSHIN; T. N. IVSHINA; M. S. KOMELIN


Book ID
112041571
Publisher
John Wiley and Sons
Year
2010
Weight
26 KB
Volume
27
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Novel Polar Cycload
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Novel Polar Cycloaddition of 1,2-Thiazinylium Salt. -Treatment of the thiazine 5-oxide (I) according to A) affords a thiazinylium tetrafluoroborate which undergoes cycloaddition with the butadienes (II) and (V) to give heterocyclic adducts. Ring transformation of cycloadduct (IIIa) yields the pyrrol