Synthesis and Properties of 7,7,12,12-Te
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Christoph Braunweiler; Sabine Bethke; Frank Rominger; Rolf Gleiter
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Article
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1999
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John Wiley and Sons
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English
⚖ 300 KB
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The fourteen-membered ring of 7,7,12,12-tetramethyl-1,4-(R,S) isomer 18a revealed a transannular interaction between the dioxaethane bridge and the dicarbonyl moiety. dioxacyclotetradecane-8,9,10,11-tetrone (4) was built up from 1,2-bis(2Ј-chloroethoxy)ethane, two units derived from Calculations (HF