PRODUCTION OF N-SUBSTITUTED SULFOXIMINE PYRIDINE N-OXIDES Russian patent published in 2017 - IPC A01N43/80 A01N43/40 

FIELD: chemistry.

SUBSTANCE: to produce the N-oxidized sulfoxymine compound of formula (I)

,

where X is NO₂, CN, COOR⁴ or CONH₂; L is a single bond or R¹, S and L taken together represent a 4-, 5- or 6-membered ring; R¹ is (C₁-C₄) Alkyl; R² and R³ individually denote a hydrogen atom, methyl, ethyl, a fluorine atom, a chlorine atom or a bromine atom; N is an integer from 0 to 3; Y is (C₁-C₄) Haloalkyl, F, Cl, Br or I; and R⁴ is (C₁-C₃) Alkyl; the oxidation of the compound of formula (II)

,

where X, L, R¹, R², R³, n, Y and R⁴ are as defined above, urea hydroperoxide and trifluoroacetic anhydride.

EFFECT: invention enables realise the mentioned purpose.

10 cl, 2 tbl, 7 ex