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ethyl 2-diethylphosphono-2-(cyclohex-2-en-1-yloxy)acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138090-71-8

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138090-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138090-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,9 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138090-71:
(8*1)+(7*3)+(6*8)+(5*0)+(4*9)+(3*0)+(2*7)+(1*1)=128
128 % 10 = 8
So 138090-71-8 is a valid CAS Registry Number.

138090-71-8Relevant academic research and scientific papers

Bronsted base catalyzed [2,3]-Wittig/phospha-Brook tandem rearrangement sequence

Kondoh, Azusa,Terada, Masahiro

supporting information, p. 4568 - 4571 (2013/09/24)

A Bronsted base catalyzed rearrangement reaction of 2-allyloxy-2-phosphonoacetate derivatives was developed. This reaction proceeded via a [2,3]-Wittig rearrangement followed by a phospha-Brook rearrangement. This is the first example of a catalytic [2,3]-Wittig rearrangement initiated by a Bronsted base.

Phosphonate Analogues of Chorismic Acid: Synthesis and Evaluation as Mechanism-Based Inactivators of Chorismate Mutase

Wood, Harold B.,Buser, Hans-Peter,Ganem, Bruce

, p. 178 - 184 (2007/10/02)

The mechanism of chorismate mutase, the enzyme which catalyzes the Claisen arrangement of chorismic to prephenic acid, remains a fascinating area for bioorganic research.This paper describes the enantioselective synthesis of phosphonochorismic acids 3 and

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