Synthesis of Citreofuran

C16H16O5
Principal investigator | Alois Fürstner |
---|---|
Publication year | 2003 |
Synthesis type | Total |
Number of steps | 13 (3 parts) |
References |
Part 1 of 3



NaOH
H2O, MeOH
60 °C, 24 h, 97%


- i-Pr2NLi
- CO2
THF
-78 °C, 40 min, 85%

Part 2 of 3
+


THF, DMPU
-20 °C to RT, 22.5 h, 52%

Part 3 of 3
+



n-Bu4N+ F-
THF
RT, ON, 95%


Et3N
THF
RT, 2.5 h



TsOH
PhMe
85 °C, 5.5 h, 85%

B-I-9-BBN
CH2Cl2
-10 °C, 4 h, 60%
