Quadrone
C15H20O3
| Author | Eiichi Yoshii |
|---|---|
| Publication year | 1983 |
| Synthesis type | Formal synthesis |
| Number of steps | 15 (linear) |
| Reference |
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Part 1 of 1
+ 
hν
CH2Cl2
-78 °C, 7 h, 67 %
-78 °C, 7 h, 67 %

i-Pr2NLi, TMSCl
THF
-78 °C to RT, 90 min, 98 %
-78 °C to RT, 90 min, 98 %

MeOCH2Cl, CH2I2, Zn-Cu
CH2Cl2
0 °C to RT, 4.5 h, 60 %
0 °C to RT, 4.5 h, 60 %

Propargyl bromide, Al, HgCl2
THF, Et2O
-78 to -40 °C, 90 min, 50 %
-78 to -40 °C, 90 min, 50 %

RT, 40 h

HCrO3Cl.Pyr
CH2Cl2
RT, 10 h, 31 % (2 steps)
RT, 10 h, 31 % (2 steps)

BBr3
CH2Cl2
-78 to -20 °C, 24 h
-78 to -20 °C, 24 h
Remaining...

See : J. Am. Chem. Soc. 1981, 103, 4136.

