Chemical composition and anticholinesterase activity of lagochilus inebrians D. Kh. Akramov,1

5-Hydroxy-7,4′-dimethoxyflavone (1). C₁₇H₁₄O₅, yellow crystalline compound, mp 173–174°Ñ. IR spectrum (ÊBr, ν, cm^–1): 3509, 2845, 2920, 1667, 1605, 1442, 1383, 1271, 1162, 834. ¹Í NMR spectrum (400 MHz, CDCl₃, δ, ppm, J/Hz):
12.8 (1H, s, 5-OH), 7.83 (2H, d, J = 9.0, H-2′, 6′), 7.00 (2H, d, J = 9.0, H-3′, 3′) , 6.56 (1H, s, H-3), 6.47 (1H, d, J = 2.3, H-8), 6.35 (1H, d, J = 2.3, H-6), 3.89 (3H, s, 4′-OMe), 3.87 (3H, s, 7-OMe). ¹³C NMR spectrum (100 MHz, CDCl₃, δ, ppm): 163.99 ( C-2), 104.33 (C-3), 182.42 (C-4), 105.55 (C-4a), 162.19 (C-5), 99.02 (C-6), 165.43 (C-7), 55.75 (7-OMe), 92.60 (C-8), 157.69 (C-8a), 123.57 (C-1′), 128.01 (C-2′, 6′), 114.49 (C-3′, 5′), 162.59 (C-4′), 55.50 (4′- OMe ). β-Sitosterol (2). C₂₉H₅₀O. Physicochemical data and NMR spectra agreed with those in the literature [11].
Stigmasterol (3). C₂₉H₄₈O, white powder, mp 168°C. IR and NMR spectra agreed with those in the literature [12].

1 ) S. Yu. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of the Republic of Uzbekistan, Tashkent, e-mail: [e-mail]; 2) University of Natural Resources and Life Sciences (BOKU), 1190, Vienna, Austria; 3) Department of Biology, Selcuk University, Science Faculty, Konya, Turkey. Translated from Khimiya Prirodnykh Soedinenii, No. 3, May–June, 2019, pp. 495–496. Original article submitted December 3, 2018.
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Daucosterol (4). C₃₅H₆₀O₆, white crystalline powder, mp 137–138°C. IR and NMR spectra agreed with those
in the literature [13].
Lagochilin (5). C₂₀H₃₆O₅, white crystalline powder, mp 167–168°Ñ. ¹Í NMR spectrum (400 MHz, CDCl₃, δ, ppm, J/Hz): 3.68 (2H, t, J = 5.3, H-15), 3.51, 3.28 (1H each, d, J = 10.4, H-18), 3.50 (1H, dd, J = 10.5, 4.9, H-3), 3.50, 3.37 (1H each, d, J = 11.0, H-16), 1.93, 1.52 (1H each, m, H-11), 1.87 (2H, m, H-14), 1.73, 1.59 (1H, m, H-12), 1.63 (1H, m, H-8), 1.56, 1.49 (1 H, m, H-2), 1.44, 1.35 (1H, m, H-1), 1.43 (1H, m, H-5), 1.30 (2H, m, H-6), 1.25 (2H, m, H-7), 0.83 (3H, s, H-20), 0.77 (3H, d, J = 6.8, H-17), 0.76 (3H, s, H-19). ¹³C NMR spectrum (100 MHz, CDCl₃, δ, ppm): 30.38 (C-1), 26.46 (C-2), 75.76 (C-3), 41.84 (C-4 , 10), 41.44 (C-5), 21.47 (C-6), 31.17 (C-7), 36.12 (C-8), 93.23 (C-9), 28.91 (C-11), 35.45 (C-12), 85.58 (C-13),
39.98 (C-14) , 59.02 (C-15), 66.39 (C-16), 17.87 (C-17)*, 71.27 (C-18), 11.24 (C-19)*, 17.84 (C-20)* (*equivalent ).