1HNMR IR1 IR2 Raman ESR 400 MHz in DMSO-d6 90 MHz in DMSO-d6 1H NMR 399.65 MHz C14 H12 O2 0.040 g : 0.5 ml DMSO-d6 benzoin Assign. Shift(ppm) A 8.024 B 7.560 C 7.46 D 7.45 E 7.319 F 7.242 G 6.12 J 6.090 Hz ppm Int. 3213.62 8.042 90 3211.79 8.037 466 3210.57 8.03...
benzoin condensation, Stetter-type reaction, and S N Ar reaction; the generation of homoenolate species from α,β-unsaturated aldehydes; formylation; and in coupling reactions) Physical Data :mp 200–201°C, 1 201–202°C (methanol), 2 200–201°C (ethanol); 3 1 H NMR (60 MHz, DMSO...
NMR スペクトル しいれ業者1965-19-1 基本情報 化学名称 2-(2-Methoxyphenyl)-4,5-diphenyl-1H-imidazole CAS No.1965-19-1 分子式C22H18N2O 分子量326.39 PSA37.91000 LogP5.41930 PubChemID74782 EINECS番号217-810-7 同義語2-(2-METHOXYPHENYL)-4,5-DIPHENYLIMIDAZOLE;2-(O-METHOXYPHENYL)-4,5-DI...
C_6H_10O: NMR: 3.31 (3H, s); 2.41 (1H, s); 1.43 (6H, s) IR: 2110, 3300 cm^(-1) (sharp) Using proton NMR, it is possible to determine the molecular weight of a compound. In the case of an unknown compound, its NMR spectrum revealed the prese...
Which of the following compounds gives a {eq}^1 {/eq}H NMR spectrum consisting of only a singlet? a. 1,1-dibromopropane b. 1,2-dibromopropane c. 1,3-dibromopropane d. 2,2-dibromopropane Proton NMR spectroscopy: It is a type of spectroscopy that works on the pr...
The product was checked by NMR, then used crude in the reaction with ammonia. D. 3-(4-Fluorophenyl)-2-methyl-2-propen-1-amine A quantity of 59.1 g (0.32 mole) of 1-chloro-3-(4-fluorophenyl)-2-methyl-2-propene and 500 ml ethanol was loaded in a pressure vessel. The vessel ...
benzoindenoneNMRstructural revisionsynthesisX-ray structure determinationisolated from the same plant has been revised.doi:10.1515/znb-2018-0181Li, XiaowanSi, TongxuKu, ChuenfaiZhang, HongjieWang, MingzhongChan, Albert S.C.Verlag der Zeitschrift fr Naturforschung...
benzoindenoneNMRstructural revisionsynthesisX-ray structure determinationThe total synthesis of the natural phytoalexin 2,6-dimethoxy-9-phenyl-1H-phenalent-one (3) isolated from Eichhornia crassipes was accomplished in seven steps. The synthetic strategy included a Friedel-Crafts acylation and a ...