Tetrafluorosulfanylpyridine
View Patent ↗A compound having a SF 4 group on a pyridine ring is provided. Specifically, the compound is represented by the general formula (c): wherein k is 1 or 2; X is a hydrogen atom or a halogen atom; R 1 is a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a nitro group; and R 2 is a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
1. A tetrafluorosulfanylpyridine represented by the formula (c):
wherein
k is 1 or 2;
X is a hydrogen atom or a halogen atom;
R 1 is a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a nitro group; and
R 2 is a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
2. The tetrafluorosulfanylpyridine according to claim 1 , wherein R 1 is a fluorine atom or a chlorine atom, and X is a chlorine atom.
3. A tetrafluorosulfanylpyridine represented by the formula (c′):
wherein
k is 1 or 2;
X is a hydrogen atom or a halogen atom;
R 1 is a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a nitro group; and
R 2 is a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms or a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
4. The tetrafluorosulfanylpyridine according to claim 3 , wherein R 1 is a fluorine atom or a chlorine atom, and X is a chlorine atom.
5. A method for producing the tetrafluorosulfanylpyridine according to claim 1 , comprising the step of:
addition of a radical species generated from a halotetrafluoropyridine represented by the formula (a) to an alkyne represented by the formula (b) to give a tetrafluorosulfanylpyridine represented by the formula (c):
wherein R 1 , R 2 , X, and k are as defined above.
6. A method for producing the tetrafluorosulfanylpyridine according to claim 3 , comprising the step of:
addition of a radical species generated from a halotetrafluoropyridine represented by the formula (a) to an alkene represented by the formula (b′) to give a tetrafluorosulfanylpyridine represented by the formula (c′):
wherein R 1 , R 2 , X, and k are as defined above.