LEGOSTAEVA et al.
1710
obtained by ozonolysis of 10-undecenoic acid 2 in
methanol, yield 2.40 g (68%). Rf 0.25 (eluent petro-
leum ether–tert-butyl methyl ether, 1 : 2). IR spectrum,
1 : 1) of 3.10 g of the reaction mixture obtained by
ozonolysis of compound 3 in 2-propanol yield 2.71 g
(74%).
1
ν, cm–1: 3250 (NH, СООН), 1709 (С=О). Н NMR
c. After chromatographing on SiO2 (eluent
petroleum ether–tert-butyl methyl ether, 10 : 1→1 : 1,
МеОН) of 3.60 g of the reaction mixture obtained by
ozonolysis of compound 3 in the mixture AcOH‒
CH2Cl2 yield 3.20 g (86%).
spectrum, δ, ppm: 1.10‒1.40 m (12Н, 6СН2), 1.45–
1.60 m (2Н, СН2СН=N), 2.15‒2.40 m (2Н, СН2СО2),
2.40 s (3Н, СН3), 7.10 m (CН=N), 7.20 d (2Нarom),
7.70 d (2Нarom), 9.70–10.25 br.s (NH, ОН). 13С NMR
spectrum, δ, ppm: 21.28 q (CH3), 23.63, 24.64, 24.90,
28.92, 28.97, 29.14 t (6СН2), 33.98 t (CH2CН=N),
34.62 t (CH2CO2), 128.62 d (2СaromН), 129.54 d
(2СaromН), 136.39 d (CН=N), 142.07 s (С‒S), 143.91 s
(Carom‒CH3), 179.11 s (СО2Н). Found, %: C 57.45; H
7.44; N 8.02; S 9.01. C17H26N2O4S. Calculated, %: C
57.60; H 7.39; N 7.90; S 9.05.
The study was performed using the equipment of
the Center of joint busage “Chemistry” of the Ufa
Institue of Chemistry of the Russian Academy of
Sciences. IR spectra were recorded on a spectro-
photometer IR Prestige-21 (Fourier Transform
Spectrophotometer – Shimadzu) from thin films. NMR
spectra were registered on a spectrometer Bruker АМ-
300 [operating frequencies 300 (1Н), 75.47 (13С) MHz]
in CDCl3, internal reference TMS. GLC was per-
formed on a chromatograph Chrom-5 [column 1.2 m
long, stationary phase SE-30 (5%) on the carrier
Chromaton N-AW-DMCS (0.16–0.20 mm), ramp 50–
300°С], carrier gas helium. TLC monitoring was
carried out on SiO2 Sorbfil (Russia). For column
chromatography SiO2 (70–230) Lancaster (England)
was used. The elemental analysis data of all studied
compounds were in agreement with the calculated
values. Ozonator output was 40 mmol О3/h.
b. After chromatographing on SiO2 (eluent
petroleum ether–tert-butyl methyl ether, 10 : 1→1 : 1,
МеОН) 3.22 g of the reaction mixture obtained by
ozonolysis of 10-undecenoic acid 2 in 2-propanol,
yield 2.87 g (82%).
1,10-Decandioic acid (7). After chromatographing
on SiO2 (eluent petroleum ether–tert-butyl methyl ether,
10 : 1→1 : 1, МеОН) of 1.88 g of the reaction mixture
obtained by ozonolysis of 10-undecenoic acid 2 in a
mixture AcOH‒CH2Cl2, yield 1.62 g (80%). Rf 0.35
(hexane–tert-butyl methyl ether, 1 : 1), mp 130–132°С.
1
IR spectrum, ν, cm–1: 3180, 1703 (CO2Н). Н and 13С
The study was carried out under the financial
support of Bashkortostan Republic Government for
young scientists and young scientific teams (grant
no. 48 of 18.02.2016).
NMR spectra are identical to previously described [6].
Methyl 10-[(2-methylbenzene-1-sulfonyl)hydra-
zinylidene]decanoate (8). а. After chromatographing
on а SiO2 (eluent petroleum ether–tert-butyl methyl ether,
10 : 1→1 : 1, МеОН) of 6.30 g of the reaction mixture
obtained by ozonolysis of methyl 10-undecenoate 3 in
methanol, yield 2.57 g (70%). Rf 0.41 (eluent petroleum
ether–tert-butyl methyl ether, 1 : 2). IR spectrum, ν,
cm–1: 3226 (NH), 1738 (С=О), 1174‒1234 (С‒О‒С). 1Н
NMR spectrum, δ, ppm: 1.10‒1.40 m (12Н, 6СН2), 1.45‒
1.60 m (2Н, СН2СН=N), 2.18‒2.30 m (2Н, СН2СО2),
2.35 s (3Н, СН3), 3.50 s (3Н, СООСН3), 7.05 m (CН=N),
7.25 d (2Нarom), 7.65 d (2Нarom), 9.05 br.s (NH). 13С NMR
spectrum, δ, ppm: 21.17 q (CH3), 25.33, 28.69, 28.74,
28.92, 29.07, 29.23 t (6СН2), 33.66 t (CH2CН=N), 33.77 t
(CH2CO2), 51.21 q (CH3O), 128.62 d (2СaromН),
129.28 d (2СaromН), 136.17 d (CН=N), 141.86 s (С‒S),
144.47 s (Carom‒CH3), 174.15 s (СО2Me). Found, %: C
58.55; H 7.71; N 7.76; S 8.62. C18H28N2O4S.
Calculated, %: C 58.67; H 7.66; N 7.60; S 8.70.
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RUSSIAN JOURNAL OF ORGANIC CHEMISTRY Vol. 52 No. 11 2016