id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hjic-1258	Talybov, Gulahmad Mirahmad	Enantioselective Alkoxylation of Β-Substituted Aromatic Nitroalkenes with Allyl Alcohol	2025	6	.pdf	application/pdf	2485	80	56	1H NMR (300 MHz, CDCl3): δ ppm: 7.08-7.14 (m, 2H), 7.06 (t, J= 7.0 Hz, 1H), 6.99 (d, J= 7.7 Hz, 1H), 5.85 (d.d.d, J= 17.23, 9.15, 5.34 Hz, OCH=, 1H), 5.31 (d.d.d, J= 17.23, 1.57, 1.61 Hz, H2C=, 1H,), 5.16 (d.d.d, J= 9.15, 1.57, 1.23 Hz, H2C=, 1H), 4.99 (d.d.d, J= 9.8, 6.0 Hz, 1H), 4.87 (d.d, J= 13.2, 9.9 Hz, 1H), 4.64 (d.d, J= 13.2, 6.0 Hz, 1H), 4.61 (d.d, J = 12.15, 5.34 Hz, OCH2, 1H), 4.16 (d.d.d, J= 12.15, 1.61, 1.23 Hz, OCH2, 1H), 2.40 (s, 3H) 13C NMR (100 MHz, CDCl3): δ ppm: 152.4, 136.5, 134.63 (-HC=), 128.3, 126.41, 126.40, 125.8, 117.67 (H2C=), 77.8, 72.32 (=C-CH2O), 45.6, 34.7, 31.2, 19.2 ee: 91% - chiral phase Chiralpak IC column (98/2 hexane/iPrOH, flow rate 0.5 mL/min, λ = 241 nm, tmajor = 25.0 min, tminor = 29.3 min) Compound No. 3: 1-Methyl-4-{(1S)-2-nitro-1-[(prop-2-en-1- yl)oxy]ethyl}benzene Yield: 0.44 g (89%). Methylene protons, when magnetically equivalent, associated with the nitro groups in compounds No. 1-9 are diastereotopic ( 0.4 ppm) in the form of two separate singlets at 1.03–1.05 ppm and appear in 1H NMR spectra in the form of two doublets with a geminal coupling constant 2J = 11.8 Hz.	cache/hjic-1258.pdf	txt/hjic-1258.txt
