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Which compound matches the following 1H NMR spectrum? singlet 3H singlet 3H PPM A. B. i....
Which compound matches the following 1H NMR spectrum? doublet, 2H singlet 3H doublet 2H br. singlet 1H 10 PPM NO2 OH OH A D OD ОА OC B
Which compound matches the following 'H NMR spectrum? singlet ЗН singlet ЗН PPM B C Sco D OH H e D D) А
24. Which compound most likely matches the following 1H NMR spectrum? 3H 2H (A) Br (B) CH3 Br (0) (3n65-s (C) Br, Br (D) H3C CH3 CHa Whal is the IUPA 25. Which compound most likely matches the following 1H NMR spectrum? 3H ЗН 2H 2H 2H 2H (A) (B) CH3 CH3 НаС H3CO (C) (D) H3C
Deduce the identity of the following compound from the 1H NMR data given. C8H100:8 3.4 (3H, singlet), 4.5 (2H, singlet), 7.2 (5H, apparent singlet) (ppm) A) PhCOCH3, B) PhCH2OCH3 C) (CH3)3CCH2CHO D) PHCH2CH3 ОА OB Ос
Which compound matches the following 13C NMR? 160 140 120 100 60 40 80 PPM NH2 A. B. C. D. H ОА OD Ос OB
please help!
c 3.86 ppm, singlet, 3H d-2.52 ppm, singlet, 3H Compound A: CoH1002 TSI a 7.89 ppm, doublet, 2H b-7.89 ppm, doublet, 2H Unsat. Index- (2C+2-H-X+N)/2 8, ppm 9.0 7.0 60 3.0 2.0 ? 3, 5-dimethylbenzaldehyde, NaOH, H2O, heat h 2.31 ppm, singlet, 6H 3-1 a #8 ppm, doublet, 2H b-7.60 ppm, doublet, 1H c- 7.33 ppm, singlet, 2H Compound B: C1H1O2 g-3.86 ppm, singlet, 3H d-7.28 ppm, doublet, 1 H e 6.99 ppm, singlet, 1H C f 6.98...
Which compound matches the following 13C NMR? 200 180 760 740 120 80 40 60 100 PPM NH2 D A. B. C. H ОА OD OB Ос
Deduce the final structure consistent to the 1H-NMR data. C9H10O2 2.1 ppm (singlet, 3H), 4.3 ppm (singlet, 2H), 7.3 ppm (singlet, 5H)
10. Identify which compound best matches the following spectral data. (6 points) NMR 10.5 ppm, singlet (1 H) 8.5 ppm, doublet (2 H) 7.5 ppm, doublet (2 H) 3.8 ppm, singlet (3 H) IR strong signal 1715 cm"!; MS parent peak 136 O=C-H ОН H2 HC-C-c-C-ochz H2 OCH; CH3
unknown compound, which is insoluble in water but soluble in 10% aqueous NMR spectrum. What is the compound? ielded the given sodium bicar 2 PPM OH он eThis IR spectrum is of which compound? Et 69. The ' H NMR spectrum corresponding to the product of the following cross-coupling reaction is shown. is the product? B(OH)2 Et Pd(OAc)a K CO D) 3H 3H 8H 2H ILLI PPM Br (B) Br (A) Meo Et Et (D) (C) MeO
unknown compound, which...