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5457-66-9

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5457-66-9 Usage

Synthesis Reference(s)

Journal of the American Chemical Society, 91, p. 1233, 1969 DOI: 10.1021/ja01033a044

Check Digit Verification of cas no

The CAS Registry Mumber 5457-66-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,5 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5457-66:
(6*5)+(5*4)+(4*5)+(3*7)+(2*6)+(1*6)=109
109 % 10 = 9
So 5457-66-9 is a valid CAS Registry Number.
InChI:InChI=1/C12H24O2/c1-5-6-7-8-9-10-11(13)14-12(2,3)4/h5-10H2,1-4H3

5457-66-9Relevant articles and documents

Baltes,Wechmann

, (1961)

Selective Construction of C?C and C=C Bonds by Manganese Catalyzed Coupling of Alcohols with Phosphorus Ylides

Liu, Xin,Werner, Thomas

, p. 1096 - 1104 (2020/12/31)

Herein, we report the manganese catalyzed coupling of alcohols with phosphorus ylides. The selectivity in the coupling of primary alcohols with phosphorus ylides to form carbon-carbon single (C?C) and carbon-carbon double (C=C) bonds can be controlled by the ligands. In the conversion of more challenging secondary alcohols with phosphorus ylides the selectivity towards the formation of C?C vs. C=C bonds can be controlled by the reaction conditions, namely the amount of base. The scope and limitations of the coupling reactions were thoroughly evaluated by the conversion of 21 alcohols and 15 ylides. Notably, compared to existing methods, which are based on precious metal complexes as catalysts, the present catalytic system is based on earth abundant manganese catalysts. The reaction can also be performed in a sequential one-pot reaction generating the phosphorus ylide in situ followed manganese catalyzed C?C and C=C bond formation. Mechanistic studies suggest that the C?C bond was generated via a borrowing hydrogen pathway and the C=C bond formation followed an acceptorless dehydrogenative coupling pathway. (Figure presented.).

Iridium-catalyzed α-alkylation of acetates with primary alcohols and diols

Iuchi, Yosuke,Obora, Yasushi,Ishii, Yasutaka

supporting information; experimental part, p. 2536 - 2537 (2010/05/01)

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