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2-Methoxy-4,4,5,5-tetramethyl-[1,3,2]dioxaphospholane 2-oxide is a complex organic compound with the chemical formula C6H13O4P. It is a colorless liquid that is soluble in organic solvents. 2-methoxy-4,4,5,5-tetramethyl-[1,3,2]dioxaphospholane 2-oxide is a derivative of [1,3,2]dioxaphospholane, which is a heterocyclic compound containing a phosphorus atom and two oxygen atoms. The 2-methoxy group and the four methyl groups attached to the phosphorus atom give 2-methoxy-4,4,5,5-tetramethyl-[1,3,2]dioxaphospholane 2-oxide its unique structure and properties. It is used as a reagent in organic synthesis, particularly in the preparation of various phosphorus-containing compounds. Due to its reactivity and stability, it is an important intermediate in the synthesis of pharmaceuticals, agrochemicals, and other specialty chemicals.

7443-26-7

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7443-26-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7443-26-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,4 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7443-26:
(6*7)+(5*4)+(4*4)+(3*3)+(2*2)+(1*6)=97
97 % 10 = 7
So 7443-26-7 is a valid CAS Registry Number.

7443-26-7Relevant academic research and scientific papers

EVOLUTION THERMIQUE DE VINYLPHOSPHORANES

Labaudiniere, L.,Burgada, R.

, p. 3521 - 3536 (2007/10/02)

The thermal evolution of aryloxy or enoxyvinylphosphoranes 1 is reported.It leads to spirophosphoranes 2.The yield as well as the reaction time decrease when the ?-deficient character of the aryloxy or enoxy system increases.With very electron withdrawing systems, the main reaction is analogous to the second step of the Arbuzov reaction and gives rise to the vinylphosphonate 6 and to the corresponding aromatic ether 7.When the carboxylate group the nearest to the phosphorus atom is replaced by a phenyl group or an hydrogen atom, no spirophosphorane 2 is obtained.The hydrolysis of compounds 2, under mild condition, leads to a new class of phosphonates 3 and 16.

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