Iminium carbonic acid derivative salts.
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Wolfgang Hanefeld; Helge Harms
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Article
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1997
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Journal of Heterocyclic Chemistry
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English
⚖ 312 KB
## Abstract The title compounds 1a‐c and 2 werre reacted with several doubly activated methylene components to yield the cyclic ketene __S,N__‐acetals 3‐10.