TY - RPRT TI - (2,5)-Ene cyclization catalyzed by mesoporous solid acids: isotope labeling study and ab initio calculation for continuum from concerted to stepwise ene mechanism. AU - Koichi Mikami AU - Hirofumi Ohmura AU - Masahiro Yamanaka PY - 2003 DO - 10.1021/jo020634j UR - https://pubmed.ncbi.nlm.nih.gov/12558438/ ID - 12558438 ER -