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Synthesis in Jasmone Series. IV. Preparation of Methyl‐2‐Oxo‐5‐Pentylcyclopentyl‐1‐Acetate and its 4‐Pentyl Analogue
Author(s) -
Ravid Uzi,
Hoffer Dorith,
Ikan Raphael
Publication year - 1975
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.197500008
Subject(s) - chemistry , methyl acetate , organic chemistry , stereochemistry , acetic acid
Two new analogues of methyldihydrojasmonate ( 14 ); methyl‐2‐oxo‐5‐pentylcyclopentyl‐1‐acetate ( 5 ) and methyl‐2‐oxo‐4‐pentylcyclopentyl‐1‐acetate ( 12 ) were synthesized. The key step in these syntheses was 1,4‐addition of trialkylborane to α, β‐unsaturated cyclopentenones, 4 and 9 .