Question: When compound C, which is often used to model a more frequently occurring unit in lignins, was ozonized, product D was obtained. In a variety

When compound C, which is often used to model a more frequently occurring unit in lignins, was ozonized, product D was obtained. In a variety of ways it has been established that the stereochemistry of the three-carbon side chain of such lignin units remains largely if not completely unchanged during oxidations like this.

OH OMe O3 H2O MeO OH OMe

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