hydrogenchloride; aluminium trichloride in benzene 1) T < 10 deg C 2) room temperature, overnight;
参考文献
Varma, K. Sukumar; Misquitta, J.; Fernandes, Peter S.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 7 p. 615