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4,4-diphenylbut-3-en-1-yl 4-methylbenzenesulfonate is a complex organic chemical compound with the molecular formula C23H22O2S. It is a derivative of 4,4-diphenylbut-3-en-1-yl, which is a conjugated diene, and 4-methylbenzenesulfonate, a sulfonate ester. 4,4-diphenylbut-3-en-1-yl 4-methylbenzenesulfonate is characterized by its unique structure, featuring a butenyl group with a double bond between the third and fourth carbon atoms, connected to two phenyl rings. The 4-methylbenzenesulfonate group is attached to the butenyl group, providing a sulfonate ester functionality. This chemical is primarily used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, as well as in the preparation of other organic compounds. Due to its reactivity and potential applications, it is an important compound in the field of organic chemistry.

5746-94-1

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5746-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5746-94-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,4 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5746-94:
(6*5)+(5*7)+(4*4)+(3*6)+(2*9)+(1*4)=121
121 % 10 = 1
So 5746-94-1 is a valid CAS Registry Number.

5746-94-1Relevant academic research and scientific papers

Br?nsted acid-mediated ring-opening reactions of methylenecyclopropanes: A dramatic counter ion effect

Shao, Li-Xiong,Huang, Jin-Wen,Shi, Min

, p. 11895 - 11901 (2004)

We report herein two different ring-opening patterns of methylenecyclopropanes (MCPs) in the presence of two Br?nsted acids heptadecafluorooctane-1-sulfonic acid (C8F17SO 3H) and toluene p-sulfonic acid (TsOH) under mild conditions: (a) the ring-opening of MCPs by H2O and subsequent etherification give the corresponding homoallylic ethers in the presence of heptadecafluorooctane-1- sulfonic acid; (b) the direct ring-opening of MCPs by the Br?nsted acid gives the corresponding homoallylic alcohol derivatives in the presence of toluene p-sulfonic acid. We report two different ring-opening patterns of methylenecyclopropanes (MCPs) in the presence of two Br?nsted acids heptadecafluorooctane-1-sulfonic acid (C8F17SO 3H) and toluene p-sulfonic acid (TsOH): (a) the ring-opening of MCPs by H2O and subsequent etherification give the corresponding homoallylic ethers in the presence of heptadecafluorooctane-1-sulfonic acid; (b) the direct ring-opening of MCPs by the Br?nsted acid gives the corresponding homoallylic alcohol derivatives in the presence of toluene p-sulfonic acid.

Rhodium-Catalyzed Alkene Difunctionalization with Nitrenes

Ciesielski, Jennifer,Dequirez, Geoffroy,Retailleau, Pascal,Gandon, Vincent,Dauban, Philippe

supporting information, p. 9338 - 9347 (2016/07/14)

The RhII-catalyzed oxyamination and diamination of alkenes generate 1,2-amino alcohols and 1,2-diamines, respectively, in good to excellent yields and with complete regiocontrol. In the case of diamination, the intramolecular reaction provides

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