Synthesis of Hirsutene
C15H24
Principal investigator | John B. Stothers |
---|---|
Publication year | 1984 |
Synthesis type | Formal |
Number of steps | 13 (linear) |
References |
Part 1 of 1
+
+
HCO2H
Reflux, 4 h
KOH
EtOH
Reflux, 8 h
Na2Cr2O7,
H2SO4
Et2O, H2O
RT, 2.5 h, 72% (3 steps)
See the Jones Oxidation
"Mixture of positional isomers."
- i-Pr2NLi
- TMSCl , Et3N
THF
-78 °C, 95%
NaOH
H2O, MeOH
0 °C, 24 h, 87%
MeI,
NaNH2
Et2O
Reflux, 21 h, 83%
KOt-Bu
Sealed tube
t-BuOH
205 °C, 6.5 d, 80%
LiAlH4
Et2O
Reflux, ON, 99%
Remaining...
14% (5 step)
"See: J. Am. Chem. Soc. 1981, 103, 2744 and Tetrahedron Lett. 1976, 17, 195."