Monatshefte fur Chemie p. 833 - 838 (1988)
Update date:2022-08-03
Topics:
Michl, Guenter
Rettenbacher, Christian
Haslinger, Ernst
The diasteromeric methylesters of 12-methoxyabietic acid, an antifeedant for the larch sawfly Pristiphora erichsonii (Hartig) have been synthesised from abietic acid methylester (2).The unknown configuration at C-12 of the natural product has been determined by comparing the spectral and analytical data of the synthesised compounds with data given in the literature for the natural product as being (S). - Keywords: 12-Methoxyabieticacidmethylester; η4-<<1R-(1a,4aβ,4ba,10aa)>-1,2,3,4,4a,4b,5,9,10,10a-Decahydro-1,4a-dimethyl-7-(-1-methylethyl)-1-phenanthrencarboxylic acid methylester>-tricarbonyliron, 1H-, 13C-, 2D-NMR
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