Conformational investigations of 5-substituted isopropylidene malonates II: Structure of 5-(α-isopropyl)-2, 2-dimethyl-1,3-dioxan-4,6-dione
DONG NAN;WU NIANCI;HUANG XIAN;HU SHENGZHI;MAK THOMAS C.W.
Acta Chimica Sinica . 1989, (3): 216 -220 .