(R)-3,3,6-Trimethyl-3,3a,4,5-tetrahydro-1H-cyclopenta[c]furan

(R)-3,3,6-Trimethyl-3,3a,4,5-tetrahydro-1H-cyclopenta[c]furan

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(R)-3,3,6-trimethyl-3,3a,4,5-tetrahydro-1H-cyclopenta[c]furan was obtained by the acid cyclization of the alcohol (S)-(2-methyl-5-(prop-1-en-2-yl)cyclopent-1-en-1-yl)methanol, which, in turn, is obtained from (R)-limonene.The structure of the new compound was established using NMR spectroscopy (1H, 13C, swish supreme glide track white COSY, HSQC, and rumchata proof HMBC spectra) and high-resolution mass spectrometry.The chemical shifts of the proton and carbon atoms were calculated at the DFT level with a high correlation between the calculated and experimental values.