(1aR,4aS,5R,7aS)-4a-Methyl-2-methylene-5-(tetrahydro-pyran-2-yloxy)-octahydro-1-oxa-cyclopropa[d]indene 、
丙二酸二甲酯 在
四(三苯基膦)钯 作用下,
以87%的产率得到2-[(1S,3aS,7aR)-3a-Hydroxy-7a-methyl-1-(tetrahydro-pyran-2-yloxy)-2,3,3a,6,7,7a-hexahydro-1H-inden-5-ylmethyl]-malonic acid dimethyl ester