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Synthèse du tétraéthoxycarbonyl‐1,1,6,6‐cyclodécadiyne‐3,8
Author(s) -
Etournaud Alain,
Wyler Hugo
Publication year - 1973
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.19730560208
Subject(s) - chemistry , yield (engineering) , condensation , medicinal chemistry , metallurgy , thermodynamics , physics , materials science
A cyclisation of 1‐bromo‐5,5,10,10‐tetraethoxycarbonyl‐2,7‐decadiyne ( 9b ) using NaH in dilute solution gives 1,1,6,6‐tetraethoxycarbonyl‐cyclodeca‐3,8‐diyne ( 8 ) in 17,6% yield. 9b is prepared by condensation of 1,1,6,6‐tetraethoxycarbonyl‐3‐hexyne with 1,4‐dibromo‐2‐butyne.
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