6.2 (-)-Cameroonanol has been isolated from the essential oil of Echinops giganteus (globe thistle) plants and it is associated with a strong woody fragrance. Its structure, includ- ing relative stereochemistry, was confirmed when it was made in the laboratory according to the sequence shown below.' Recall that a C=C bond is made up of one bond and one 7 bond. These two bonds together have a combined BDE (bond dissociation energy) of 607 kJ/mol. Use this information to estimate the AH° for the conversion of compound 1 into compound 2. Br он two steps H HBr hv (--Cameroonanol

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Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.