Synthese von ‘Push‐Pull’‐Oligoacetylenen | Zendy

Bartlome Andreas | Zendy; Stämpfli Urs | Zendy; Neuenschwander Markus | Zendy

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Synthese von ‘Push‐Pull’‐Oligoacetylenen

Author(s) -

Bartlome Andreas,

Stämpfli Urs,

Neuenschwander Markus

Publication year - 1991

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.19910740614

Subject(s) - push pull , chemistry , acylation , combinatorial chemistry , simple (philosophy) , push and pull , stereochemistry , organic chemistry , electrical engineering , mechanical engineering , catalysis , engineering , philosophy , epistemology

Synthesis of ‘Push‐Pull’‐OligoAcetylenes ‘Push‐pull’ triacetylenes 11a , b , c , as well as ‘push‐pull’ tetraacetylene 13b have been prepared by reaction of the corresponding trichloroene(oligoinyl)amines 9 and 10 with 2 mol‐equiv. of BuLi followed by acylation. The sequences ( Schemes 3 and 4 ) are very simple and straightforward, they could in principle be applied to the synthesis of ‘push‐pull’ pentaAcetylenes 15 and hexaacetylenes 17 ( Scheme 5 ). Main limitations are the moderate yields as well as the low thermal stability of push‐pull oligoacetylenes.

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