| http://www.w3.org/ns/prov#value | - A. A compound of formula X ##STR16## is reacted with a compound of formula XI ##STR17## wherein M, T, V, X, k, and B are as previously defined, ring W is in accordance with formulas II to VI, and L1 is a leaving group to produce a compound of formula I, a compound of formula Ia, ##STR18## or a mixture of compounds of formulas I and Ia, and if only a compound of formula Ia is produced, followed by
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