Search Results

You are looking at 71 - 80 of 256 items for :

  • Refine by Access: All Content x
Clear All

.05  Ethanol (l) C 2 H 6 O −287.02 −287.40 −198.08 0.38 −88.94  α- d -Glucose (cr

Restricted access

-hydroxyflavonone 1 , C 15 H 10 O 4 , 1 H NMR (500 MHz, CD 3 OD) δ 7.73 (1H, d, J  = 8.7 Hz, H-4), 7.49 (2H, d, J  = 7.5 Hz, H-2′,6′), 7.40 (2H, t, J  = 7.5 Hz, H-3′, 5′), 7.35 (1H, d, J  = 7.5 Hz, H-4′), 6.51 (1H, dd, J  = 8.7,1.6 Hz, H-6), 6.39 (1H, d, J

Open access

. Synthesis of 4,4′-bis(2,3-epoxypropoxy)biphenyl (LCE) The epoxy compound LCE was synthesized according to the reference [ 18 ]. Yield: 72%. FT-IR (KBr, cm −1 ): 2929, 1606, 1501, 1271, 1245, 1036, 911, 816. 1 H NMR (CDCl 3 , ppm): δ7.47 (m, 4H), 6

Restricted access

were solved with X-ray crystallography. Yield: 74%, 4.80 g. Found (%) C, 74.3; H, 6.8; N, 8.8. Calc. for C 20 H 22 N 2 O 2, C, 74.5; H, 6.9; N, 8.7. FT-IR (cm −1 , KBr): 3317 ν(OH, aromatic), 3048, 3013 (aromatic C–H), 2941–2848 ν

Restricted access
Restricted access

decomposition: CO 2 (ν C=O 2358 cm −1 ); NH 3 (δ N–H 965, 930 cm −1 ); HCN(ν C–H 3330, 3270 cm −1 , δ C–H 713 cm −1 ); H 2 O(ν O–H 4000–3400 cm −1 , δ O–H 2000–1200 cm −1 ); C 2 H 6 (v C–H 3100–2800 cm −1 , δ C–H 1500 cm −1 ); CH 4 (ν C–H 3018 cm −1 , δ

Restricted access

: 1632 (C=O); 1422 (CN); 344 (MO) and Anal. (%) Zn(1-Naph- N -Mecbm) 4 Cl 2 Found: C, 61.10; H, 6.32; N, 6.16; Cu, 6.27; Cl, 7.47; Calculated: C, 61.25; H, 6.32; N, 6.16; Cu, 6.27; Cl, 7.47: Decomposition temperature: 310 °C, yield: 50%; IR (KBr) cm −1

Restricted access
Open access

) with their peak at m/e 511. The species (c) further degrades with the subsequent loss of –C 4 H 3 species forming species (d) with their peak at m/e 460. The species (d) further degrades with the subsequent loss of –C 3 H 6 species forming species

Open access

2 , C 6 H 6 and N 2 diluent were equal to 10, 5, 8 and 85 mL min −1 , in order. The reactor was supplied with an on-line GC analysis of phenol produced using a capillary column DB-1701 30×0.00053 m. Results and discussion

Restricted access