Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2853
Chemical Society (Great Britain). necic " acids were terpene acids , and assuming that their nitric acid oxidation product was a paraconic acid , Manske ( loc . cit . ) put forward two y - lactone structures for senecic acid . 16 ( IV ...
Chemical Society (Great Britain). necic " acids were terpene acids , and assuming that their nitric acid oxidation product was a paraconic acid , Manske ( loc . cit . ) put forward two y - lactone structures for senecic acid . 16 ( IV ...
Page 2854
... acids which were represented as cis- and trans - isomers of ( I ; X OH ) . The concept of Barger and Blackie ( loc . cit . ) that the C10 acid fission products of the Senecio alkaloids were examples of terpene acids is fully justified ...
... acids which were represented as cis- and trans - isomers of ( I ; X OH ) . The concept of Barger and Blackie ( loc . cit . ) that the C10 acid fission products of the Senecio alkaloids were examples of terpene acids is fully justified ...
Page 3178
... acid pro- longed boiling with concentrated hydrobromic acid was necessary . B - Phenylglutaric acid was used in a new method for the preparation of y - phenylpimelic acid involving bis - homologation by the double Arndt - Eistert ...
... acid pro- longed boiling with concentrated hydrobromic acid was necessary . B - Phenylglutaric acid was used in a new method for the preparation of y - phenylpimelic acid involving bis - homologation by the double Arndt - Eistert ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CHâ‚‚ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred sulphate sulphone sulphuric acid synthesis Table tube values washed yield