Regioselective Annulation of 5-(1-Alkenyl)- and 5-Vinyl-1,3-benzodioxoles with 3-Chloro-3-cyclobutene-1,2-dione. Synthesis of 3,4-Dihydrocyclobuta[5,6]- naphtho[2,3-d][1,3]dioxole-1,2-diones and Cyclobuta[6,7]naphtho[2,3-d][1,3]dioxole- 1,2-diones