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A Photochemical Entry to Macrocyclic Mono‐ and Dilactones
Author(s) -
Quinkert Gerhard,
Fischer Gerd,
Billhardt UtaMaria,
Glenneberg Jürgen,
Hertz Ulrich,
Dürner Gerd,
Paulus Erich F.,
Bats Jan W.
Publication year - 1984
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198404401
Subject(s) - yield (engineering) , chemistry , substitution (logic) , photochemistry , medicinal chemistry , materials science , computer science , metallurgy , programming language
The activation of dienylketenes 2 with diazabicyclooctane can lead—with appropriate substitution—to monolactones 3 or di‐ (and tri‐)lactones. The educt rac ‐ 1 , R = CH 3 , X = H, n = 9, affords 3 in ca. 30% yield.