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CAS No. : | 3218-36-8 | MDL No. : | MFCD00006947 |
Formula : | C13H10O | Boiling Point : | - |
Linear Structure Formula : | C6H4(COH)(C6H5) | InChI Key : | ISDBWOPVZKNQDW-UHFFFAOYSA-N |
M.W : | 182.22 | Pubchem ID : | 76689 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72.9% | With hydrogenchloride; sodium hydroxide; sodium borohydrid; In methanol; tert-butyl methyl ether; water; | Example 33 7.06 g (37.1 mol) of (R)-2,4-dichloro-alpha-methylbenzylamine and 8.13 g (44.6 mmol) of 4-phenylbenzaldehyde were mixed in 50 ml of t-butyl methyl ether and stirred at room temperature for 1 hour. After ascertaining the disappearance of the amine, 30 ml of methanol was added thereto and 2.60 g (68.7 mmol) of sodium borohydride was gradually added at room temperature and stirred at room temperature for 16 hours. After the reaction, 13 ml of 36% hydrochloric acid and 10 ml of water were added at room temperature and evaporated under reduced pressure to yield crystals. To the obtained crystals was added 25 ml of t-butyl methyl ether, stirred and separated the crystals by filtration. The crystals were washed with 50 ml of t-butyl methyl ether and then mixed with alkaline solution containing 2.87 g of sodium hydroxide in 100 ml of water and extracted with 800 ml of t-butyl methyl ether under alkaline condition. The extract was evaporated under reduced pressure to yield 9.65 g (27.1 mmol) of (R)-N-(4-phenylbenzyl)-2,4dichloro-alpha-methylbenzylamine. (Yield: 72.9%, Purity 99.1%); NMR spectrum data (delta ppm, CDCl3); 1.34 (d) 3H; 1.60 (s) 1H; 3.64 (s) 2H; 4.32 (q) 1H; 7.25-7.62 (m) 12H. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
33% | EXAMPLE 51 (S)-[1-{Biphenyl-4-ylmethyl-[(2-phenyl-propylcarbamoyl)-methyl]-carbamoyl}-2-(1H-imidazole-4-yl)-ethyl]-carbamic Acid Benzyl Ester The title compound can be prepared according to Example 15, Step 1, by substituting p-phenyl-benzaldehyde for 4-benzyloxy-benzaldehyde and in Step 5, by substituting beta-methyl-phenethylamine hydrochloride for beta,beta-dimethylphenethylamine hydrochloride. The title compound was obtained as a white foam (33%); ES-MS 630 (m+1). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
36% | With ammonium acetate; iodine; acetic acid; In ethanol; at 60 - 80℃; for 72h;Inert atmosphere; | General procedure: 1 eq. of a cyclic 1,3-dicarbonyl compound 2, 1 eq. of the desired aldehyde 5, 1.2 eq. of a 1,3-dicarbonyl compound 3, 1.5 eq. of dried NH4OAc, 0.3 eq. of iodine and a few drops of concentrated acetic acid were stirred in EtOH (2.5 mL/mmol) under Ar at 60?80 °C. The progress of the reaction was monitored via TLC. Upon completion of the reaction the solvent was evaporated and the residue was dissolved in EtOAc. The organic layer was washed twice with a saturated NaS2O3 solution and brine, dried over MgSO4 and concentrated under reduced pressure. The crude material was purified by recrystallization or flash chromatography. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With acetic acid; In ethanol; at 80℃; for 0.166667h;Microwave irradiation; | General procedure: A mixture of compound 2 (0.0549 g, 0.0003 mol), the appropriate aromatic aldehyde (0.00033 mol) and glacial acetic acid (0.1 mL) in ethanol (5 mL) was heated under microwave (20 W) at 80 °C for 10 min. On cooling, the precipitated solid was collected by filtration, washed with water, dried and crystallized to give compounds 3-29. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76% | In ethanol; for 3h;Reflux; | General procedure: These compounds were prepared by refluxing substituted acetohydrazides 3(a-b) with 4-(benzyloxy) benzaldehyde (0.01 mol) in 20 mL of ethanol for 3 h. On cooling the reaction mixture to room temperature, a solid product appeared. The respective crude product was recrystallized using ethanol. N'-[Biphenyl-4-ylmethylidene]-<strong>[34800-90-3]2-(naphthalen-1-yl)acetohydrazide</strong> (5d). The final product was obtained as a white solid with 76% yield. m.p. 210-212 C. IR (KBr): numax (cm-1), 3228 (NH), 3037 (Ar C-H), 2897 (C-H), 1656 (C=O), 1610 (C=N), 1534(C=C). 1H-NMR (400 MHz, DMSO-d6): delta ppm, 4.97 (2H, s,H-1), 7.03-8.00 (16H, m, Ar-H), 8.11 (1H, s, H-5), 12.57 (1H, s, H-3). 13C-NMR (100 MHz, DMSO): delta ppm, 174.06 (amide C=O, C-2), 148.35 (N=CH, C-5), (aromatic C?s), 28.74 (naphthyl-CH2, C-1). LCMS (m/z): 365(M++1). Calcd. for C25H20N2O: C, 82.39; H, 5.53; N, 7.69; Found: C, 82.37; H, 5.55; N, 7.67 %. |
76% | In ethanol; for 3h;Reflux; | General procedure: These compounds were prepared by refluxing substituted acetohydrazides 3(a-b) with 4-(benzyloxy) benzaldehyde (0.01 mol) in 20 mL of ethanol for 3 h. On cooling the reaction mixture to room temperature, a solid product appeared. The respective crude product was recrystallized using ethanol. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
13% | General procedure: Trans-2-phenylcyclopropylamine hydrochloride (1.0 eq.), acetic acid (1.0eq.) and the appropriate aldehyde (0.9 eq.) were dissolved in around bottom flask in 10 mL dry DCE. The reaction mixture was stirred gently at room temperature for 2 h before sodium triacetoxyborohydride (3.0 eq.) was added in small portions to the reaction vessel. The reaction was monitored by TLC and quenched using 10 mL of an aqueous (5%) NaHCO3 solution. The organic layer was separated and the aqueous layer extracted three times with10 mL of DCE. All organic layers were combined, dried over anhydrous Na2SO4, concentrated in vacuo and purified using flash chromatography (silica gel; cyclohexane/ethyl acetate) to give the desired compound. |
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