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6-[2-benzyloxy-3-methoxy-4-methyl-5-(toluene-4-sulfonyloxy)-phenyl]-2-methyl-3-oxo-heptanoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

846543-19-9

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846543-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 846543-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,6,5,4 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 846543-19:
(8*8)+(7*4)+(6*6)+(5*5)+(4*4)+(3*3)+(2*1)+(1*9)=189
189 % 10 = 9
So 846543-19-9 is a valid CAS Registry Number.

846543-19-9Downstream Products

846543-19-9Relevant academic research and scientific papers

En route to the total synthesis of tashironin: On the exercise of stereochemical control by a methyl group in mediating remote cyclization reactions

Cook, Silas P.,Christoph, Gaul,Danishefsky, Samuel J.

, p. 843 - 847 (2007/10/03)

The synthesis of the [2.2.2]-bicyclic core (23) of the neurotrophic factor 11-O-debenzoyltashironin (1) has been achieved by an oxidative dearomatization-transannular Diels-Alder cascade. We have shown that the reaction sequence is also valuable for the efficient construction of related, complex [2.2.2]-bicyclic compounds (vide infra).

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