| http://www.w3.org/ns/prov#value | - appropriate alcohol (R.sup.2OH) or alkylation with a suitable electrophile, R.sup.2--X' (X' is a suitable leaving group such as a halogen or sulfonate (Cl, Br, methanesulfonyl etc.)), and an appropriate base (i.e., K.sub.2CO.sub.3, NaH, NaOH).
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