In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 20017-67-8, name is 3,3-Diphenyl-1-propanol, the common compound, a new synthetic route is introduced below. Recommanded Product: 20017-67-8
EXAMPLE 29 9-(3,3-Diphenylpropoxy)-9H-indeno[1,2-b]pyrazine-2,3(1H, 4H)-dione A suspension of 9-hydroxy-9H-indeno[1,2-b]pyrazine-2,3(1H, 4H)-dione. 1H2 O (1.0 g, 4.26 mmol) in benzene (40 ml), 3,3-diphenyl-1-propanol (10 ml) and p-toluensulfonic acid (40 mg) was refluxed with water separation for 48 hours. The reaction mixture was evaporated in vacuo to dryness, the residue was suspended in ethanol (10 ml) and the precipitate was filtered off and washed with ethanol and dried to give 0.224 g (12.5%) of the title compound. M.p. 224-228 C. 1 H-NMR(DMSO-d6, delta): 2.14-2.32 (m, 2H), 3.0-3.22 (m, 2H), 4.13 (t, 1H), 5.22 (s, 1H), 7.0-7.5 (m, 14H), 12.12 (s, 1H), 12.26 (s, 1H). Analysis: Calculated for C26 H22 N2 O3.1/2H2 O: C, 74.45; H, 5.53; N, 6.68%. Found: C, 74.37; H, 5.58; N, 6.28%.
The synthetic route of 20017-67-8 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; Faarup; Peter; Jakobsen; Palle; Jorgensen; Anker S.; Klitgaard; Henrik; US5468748; (1995); A;,
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