Premium
Tétraméthylidène‐2, 3, 5, 6‐oxa‐7‐bicyclo[2.2.1]heptane. (Communication préliminaire )
Author(s) -
Vogel Pierre,
Florey André
Publication year - 1974
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19740570123
Subject(s) - chemistry , heptane , chromophore , bicyclic molecule , stereochemistry , medicinal chemistry , photochemistry , organic chemistry
Preparation of the title compound ( 4 ) is described. An important transannular effect between the two unconjugated s‐cis ‐butadiene chromophores is observed by comparison of the UV. spectra of the dimethylidene‐oxanorbornane 3 and the tetramethylidene‐oxanor‐bornane 4 .