Platinum-catalyzed cyclization/[1,2]-alkyl migration/allyl shift/cyclization cascade of epoxy alkynyl allyl ethers: a step-economical route to spirobenzo[h]chromanones.
State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China.
Yan-Fang
YF
Yang
Xing-Zhong
XZ
Shu
Jian-Yi
JY
Luo
Shaukat
S
Ali
Yong-Min
YM
Liang