МАШИНАСОЗЛИК ИЛМИЙ-ТЕХНИКА ЖУРНАЛИ
SCIENTIFIC AND TECHNICAL JOURNAL MACHINE BUILDING
№6 (Махсус сон), 2022 йил
web.andmiedu.uz
ISSN 2181-1539
212
4-isopropoxybenzoic acid (
2), C
11
H
14
O
3
, colorless oil.
1
H NMR spectrum (600 MHz, CDCl
3
,
δ, ppm, J/Hz): 7.53 (1H, dd,
J = 5.7; 3.3, H-2), 7.73 (1H, dd,
J = 5.7; 3.4, H-3), 7.73 (1H, dd
(
J = 5.7; 3.4) H-5), 7.53 (1H, dd,
J = 5.7; 3.3, H-6), 4.09 (2H, d
J = 6.7, H-2ʹ), 2.04 (1H, dt
J
= 13.4; 6.4, H-2ʹ), 0.99 (3H, 0.99, s, H-3ʹ), 0.98 (3H, s, 4ʹ).
13
C NMR spectrum (150 MHz,
CDCl
3
, δ, ppm): 132.5 (C-1), 131.0 (C-2), 128.9 (C-3), 132.5 (C-4), 128.9 (C-5), 131.0 (C-6),
167.8 (C-7), 71.9 (C-1ʹ), 27.8 (C-2ʹ), 19.1 (C-3ʹ), 19.7 (C-4ʹ) [3].
3-Methylanisole (
3), C
8
H
10
O,
1
H NMR spectrum (600 MHz, CDCl
3
, δ, ppm, J/Hz): 6.92 (1H,
s, H-2), 6.27 (1H, s, H-4,5), 6.85 (1H, s, H-6), 3.96 (C-7) 1.25 (3H, s, H-8);
13
C NMR
spectrum (150 MHz, CDCl
3
, δ, ppm): 161.3 (C-1), 103.2 (C-2), 143.4 (C-3), 113.4 (C-4),
113.4 (C-5), 107.4 (H-6), 52.2 (C-7), 14.2 (C-8) [3].
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