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Cycloadditions, 34. Donor‐Substituted Allenes in Diels‐Alder Reactions with Inverse Electron Demand
Author(s) -
Conrads Martin,
Mattay Jochen
Publication year - 1991
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19911240617
Subject(s) - chemistry , diels–alder reaction , medicinal chemistry , organic chemistry , catalysis
Several cycloaddition reactions of 1‐alkoxy‐1,2‐propadienes 1 with 1‐oxa‐1,3‐dienes 2 , catalyzed by acid‐free silica gel, are described. The resulting 3,4‐dihydro‐3‐methylene‐2 H ‐pyrans 3 are transformed into synthetically interesting glutaraldehyde derivatives 10 – 13 .
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