Tag «NMR»

(7R, 8S, 8′S, 7″S, 8″R)-abiesol A 4″-O-β-d-glucopyranoside, capselloside.

It’s only fair to share… (7R, 8S, 8′S, 7″S, 8″R)-abiesol A 4″-O-β-d-glucopyranoside, and it was named capselloside. Capselloside (1): Brownish gum; [α]25D −34.0 (c = 0.05, MeOH); UV (MeOH) λmax (log ε) 280 (1.4), 228 (3.3), 214 (3.1) nm; IR (KBr) νmax 3261, 2946, 2816, 1638, 1489, 1261 cm−1; CD (MeOH) λmax (Δ ε) 291 (−), 280 (−) 257 (−) 230 (−) …

2-pyrazolin-5-one

It’s only fair to share… 137-45-1 cas 3-Pyrazolin-5-one (8CI) Pyrazol-3(or 5)-ol (6CI,7CI) 1,2-Dihydro-3H-pyrazol-3-one 1,2-Dihydropyrazol-3-one 1H-Pyrazol-3-ol 1H-Pyrazol-5-ol 3-Hydroxypyrazole 3-Pyrazoline-5-one 3-Pyrazolone 4-Pyrazolin-3-one NSC 520837 Pyrazol-3-ol Pyrazol-5-ol   Compound 1: Under stirring, to a solution of 5.81 g (50 mmol) of methyl (2E)-3-methoxyacrylate in methanol (5 mL) was hydrazine hydrate (2.75 g, 55 mmol) added and the mixture …

3-(2-(Benzoylamino)ethyl)-1-phenyl-1H-pyrazol-5-yl benzoate

It’s only fair to share… 3-(2-(Benzoylamino)ethyl)-1-phenyl-1H-pyrazol-5-yl benzoate (14). Benzoyl chloride (0.230 mL, 2 mmol) was added to a stirred suspension of amine 6c (276 mg, 1 mmol) in a mixture of anhydrous dichloromethane (10 mL) and 4-methylmorpholine (0.66 mL, 6 mmol) and the mixture was stirred at r.t. for 12 h. Volatile component were evaporated …

(5-Chloro-2-methoxyphenyl)[3-fluoro-5-(trifluoromethyl)phenyl]methanone

It’s only fair to share… Cas 329941-92-6 C15 H9 Cl F4 O2 Methanone, (5-chloro-2-methoxyphenyl)[3-fluoro-5-(trifluoromethyl)phenyl]- (5-Chloro-2-methoxyphenyl)[3-fluoro-5-(trifluoromethyl)phenyl]methanone (7) 7 as white crystals mp 93–95 °C; 1H NMR (500 MHz, CDCl3) 7.82 (s, 1H), 7.66 (d, J = 8.5 Hz, 1H), 7.53 (d, J =7.5 Hz, 1H), 7.49 (d, J = 9.0 Hz, 1H), 7.42 (s, 1H), 6.97 (d, …