Natural acetylenes. Part XLIX. Polyacetylenes from Dahlia scapigera (A. Dietr.) link and otto var. scapigera f. scapigera and some Dahlia hybrids

Colin T. Bedford; Dipali Bhattacharjee; Jeremy R.F. Fairbrother; Ewart R.H. Jones; Steve Safe; Viktor Thaller

doi:10.1039/p19760000735

Natural acetylenes. Part XLIX. Polyacetylenes from Dahlia scapigera (A. Dietr.) link and otto var. scapigera f. scapigera and some Dahlia hybrids

Colin T. Bedford, Dipali Bhattacharjee, Jeremy R.F. Fairbrother, Ewart R.H. Jones, Steve Safe, Viktor Thaller

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Examination of the above Dahlia species revealed the presence of 8 polyacetylenic compounds of which the C₁₆ ene-diyn-ene alcohol (XXXII) and its acetate were new. In representatives of the main garden varieties 36 poly-MeCH=^tCH·[C≡C]₂·CH= ^tCH·CH(OH)·CH(OH)·CH=CH₂ (XVIII) MeCH=^tCH·[C≡C]₂·[CH= _ttCH]₂·CH(OH)·CH₂·CH ₂OH (XXVIII) MeCH=^tCH·[C≡C] ₂·[CH=^ttCH]₂·[CH ₂]₄·CH₂-OH (XXXII) Me[C≡C] ₃·[CH=CH]₂·CH(OH)·[CH ₂]₃·CH=CH₂ (XXXVI) acetylenes were detected, including the new (XVIII), (XXVIII), and (XXXVI) and their acetates. Seasonal variations of the content were noted. The C₁₇ alcohol (XXXVI) and the C₁₆ alcohol (XXXII) were synthesised; the latter and the corresponding C₁₄ compound by novel routes.

Original language	English (US)
Pages (from-to)	735-741
Number of pages	7
Journal	Journal of the Chemical Society, Perkin Transactions 1
Issue number	7
DOIs	https://doi.org/10.1039/p19760000735
State	Published - 1976

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Natural acetylenes. Part XLIX. Polyacetylenes from Dahlia scapigera (A. Dietr.) link and otto var. scapigera f. scapigera and some Dahlia hybrids. / Bedford, Colin T.; Bhattacharjee, Dipali; Fairbrother, Jeremy R.F. et al.
In: Journal of the Chemical Society, Perkin Transactions 1, No. 7, 1976, p. 735-741.

Research output: Contribution to journal › Article › peer-review

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title = "Natural acetylenes. Part XLIX. Polyacetylenes from Dahlia scapigera (A. Dietr.) link and otto var. scapigera f. scapigera and some Dahlia hybrids",

abstract = "Examination of the above Dahlia species revealed the presence of 8 polyacetylenic compounds of which the C16 ene-diyn-ene alcohol (XXXII) and its acetate were new. In representatives of the main garden varieties 36 poly-MeCH=tCH·[C≡C]2·CH= tCH·CH(OH)·CH(OH)·CH=CH2 (XVIII) MeCH=tCH·[C≡C]2·[CH= ttCH]2·CH(OH)·CH2·CH 2OH (XXVIII) MeCH=tCH·[C≡C] 2·[CH=ttCH]2·[CH 2]4·CH2-OH (XXXII) Me[C≡C] 3·[CH=CH]2·CH(OH)·[CH 2]3·CH=CH2 (XXXVI) acetylenes were detected, including the new (XVIII), (XXVIII), and (XXXVI) and their acetates. Seasonal variations of the content were noted. The C17 alcohol (XXXVI) and the C16 alcohol (XXXII) were synthesised; the latter and the corresponding C14 compound by novel routes.",

author = "Bedford, {Colin T.} and Dipali Bhattacharjee and Fairbrother, {Jeremy R.F.} and Jones, {Ewart R.H.} and Steve Safe and Viktor Thaller",

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AU - Bhattacharjee, Dipali

AU - Fairbrother, Jeremy R.F.

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AU - Safe, Steve

AU - Thaller, Viktor

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AB - Examination of the above Dahlia species revealed the presence of 8 polyacetylenic compounds of which the C16 ene-diyn-ene alcohol (XXXII) and its acetate were new. In representatives of the main garden varieties 36 poly-MeCH=tCH·[C≡C]2·CH= tCH·CH(OH)·CH(OH)·CH=CH2 (XVIII) MeCH=tCH·[C≡C]2·[CH= ttCH]2·CH(OH)·CH2·CH 2OH (XXVIII) MeCH=tCH·[C≡C] 2·[CH=ttCH]2·[CH 2]4·CH2-OH (XXXII) Me[C≡C] 3·[CH=CH]2·CH(OH)·[CH 2]3·CH=CH2 (XXXVI) acetylenes were detected, including the new (XVIII), (XXVIII), and (XXXVI) and their acetates. Seasonal variations of the content were noted. The C17 alcohol (XXXVI) and the C16 alcohol (XXXII) were synthesised; the latter and the corresponding C14 compound by novel routes.

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Natural acetylenes. Part XLIX. Polyacetylenes from Dahlia scapigera (A. Dietr.) link and otto var. scapigera f. scapigera and some Dahlia hybrids

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