THE SYNTHESIS OF 1H, 3H-NAPHTHO(1,8-CD)PYRAN-1-ONE, 1,8-DIMETHYL-1,2,3,4-TETRAHYDRONAPHTHALENE, 1,3,3A,4,5,6-HEXAHYDRONAPTHO(1,8-CD)PYRAN, AND 1,2,3,4-TETRAHYDRO-8-METHYL-1-NAPHTHALENEMETHANOL