Question: Propose a structure for compound C, which has M + = 86 in its mass spectrum, an IR absorption at 3400 cm 1 , and

Propose a structure for compound C, which has M+ = 86 in its mass spectrum, an IR absorption at 3400 cm–1, and the following 13C NMR spectral data:

Compound C

Broadband-decoupled 13C NMR: 30.2, 31.9, 61.8, 114.7, 138.4δ

DF.PT-90: 138.4δ

DEPT-135: positive peak at 138.4 δ; negative peaks at 30.2, 31.9, 61.8, 114.7δ

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