55473-29-5 Usage
General Description
Ethyl 3-(Benzo[B]Thiophen-2-Yl)-3-Oxo-Propanoate is a chemical compound with the molecular formula C14H12O3S. It is a yellow solid with a molecular weight of 268.31 g/mol. Ethyl 3-(Benzo[B]Thiophen-2-Yl)-3-Oxo-Propanoate is commonly used in organic synthesis and pharmaceutical research. It has potential applications in the development of new drugs and agrochemicals. Ethyl 3-(Benzo[B]Thiophen-2-Yl)-3-Oxo-Propanoate is known for its unique structure and reactivity, making it an important building block in the production of various organic compounds.
Check Digit Verification of cas no
The CAS Registry Mumber 55473-29-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,4,7 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55473-29:
(7*5)+(6*5)+(5*4)+(4*7)+(3*3)+(2*2)+(1*9)=135
135 % 10 = 5
So 55473-29-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H12O3S/c1-2-16-13(15)8-10(14)12-7-9-5-3-4-6-11(9)17-12/h3-7H,2,8H2,1H3
55473-29-5Relevant articles and documents
Rate Enhancement in CAN-Promoted Pd(PPh3)2Cl2-Catalyzed Oxidative Cyclization: Synthesis of 2-Ketofuran-4-carboxylate Esters
Ruengsangtongkul, Sureeporn,Chaisan, Nattawadee,Thongsornkleeb, Charnsak,Tummatorn, Jumreang,Ruchirawat, Somsak
supporting information, p. 2514 - 2517 (2019/04/30)
Stoichiometric ceric ammonium nitrate (CAN) and a catalytic amount of Pd(PPh3)2Cl2 (5 mol %) can rapidly produce multisubstituted 2-ketofuran-4-carboxylate esters from 2-propargylic 1,3-ketoesters via oxidative O-cyclization reaction. Pd(PPh3)2Cl2 was found to be the crucial catalyst as its inclusion greatly enhanced the rate of the reaction and cleanly afforded the products within minutes. Over 30 substrates were successfully converted to the desired compounds in mostly moderate to good yields.
