Dipyrithione synthesis
- 1. DiverseChemical Functions 853
Dipyrithione
Uses: fungicide
Trade names: Omadine (Yashima)
Type: disulfide, pyridine
Synthe sis:
~ Cl
_~_c~~
{ ~o--OH
o
T
Cl 2 chloro
pyridine
I oxide
2 chloro
pyridine
peracetic
acid
NaSH
sodium
bisulfide
o o
T
N~
NaOH
< CI 2
o
T
2 mercapto
pyridine
I oxide
dipyrithione