Adding a certain compound to certain chemical reactions, such as: 288-13-1, name is 1H-Pyrazole, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 288-13-1, Recommanded Product: 288-13-1
0535] Preparation of 1-(o-tolyl)-1H-pyrazole [0536] Operating protocol A (82 C., 70 hours) was followed using 117 mg of Chxn-Py-Al (0.4 mmoles), 383 ?l of 2-iodotoluene (3 mmoles), 136 mg of pyrazole (2 mmoles) and 1.2 ml of acetonitrile. [0537] The degree of transformation and selectivity for 1-(o-tolyl)-1H-pyrazole were 100%. [0538] The residue obtained was purified by silica gel chromatography (eluent: hexane/dichloromethane, 100/0 to 0/100). [0539] 297 mg of a pale yellow oil was obtained, corresponding to a yield of 94% by weight. [0540] The compound obtained had the following formula: [CHEMMOL-00045]
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Reference:
Patent; Cellier, Pascal Philippe; Cristau, Henri-Jean; Spindler, Jean-Francis; Taillefer, Marc; US2003/236413; (2003); A1;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics