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Research
/
2018
/
Article
/
Sch 5
Research Article
(−)- and (+)-Securidanes A and B, Natural Triarylmethane Enantiomers: Structure and Bioinspired Total Synthesis
Scheme 5
Synthesis of
1
−
4
, (i) Fe (ClO
4
)
3
•xH
2
O, CH
3
CN, rt, 57%; (ii) HCl, MeOH, reflux, 79%.