Mass spectrometric study of dimethyl-substituted spiro[4.5]decanes and spiro[5.5]undecanes
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A study has been made of the mass spectra of dimethyl-substituted hydrocarbons in the spiro[4.5]decane and spiro[5.5]undecane series, and it has been shown that the character of decomposition of their molecular ions is determined mainly by the relative positions of the spiro atom and the substituted carbon atoms in the molecule.
A criterion has been proposed for identifying the structural isomers of spiro[4.5]-decanes and spiro[5.5]undecanes.
The mass spectra of the stereoisomers generally do not contain any diagnostic differences.
KeywordsMass Spectrum Hydrocarbon Carbon Atom Relative Position Decane
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