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The chemical "Addukt aus Triphenylphosphoryliden-acetophenon u. Dimethylacetylendicarboxylat" refers to a complex organic compound formed by the reaction of triphenylphosphine (PPh3) with acetophenone and dimethyl acetylenedicarboxylate (DMAD). This reaction results in the formation of a phosphorus-containing adduct, which is a type of compound that forms when two or more molecules combine to create a new compound. The adduct is significant in organic chemistry as it can be used in various synthetic reactions, particularly in the formation of phosphorus-containing heterocycles and other complex molecules. The specific structure and properties of this adduct would depend on the exact nature of the reaction conditions and the stoichiometry of the reactants.

3448-35-9

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3448-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3448-35-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,4 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3448-35:
(6*3)+(5*4)+(4*4)+(3*8)+(2*3)+(1*5)=89
89 % 10 = 9
So 3448-35-9 is a valid CAS Registry Number.

3448-35-9Downstream Products

3448-35-9Relevant academic research and scientific papers

REACTION OF KETOPHOSPHONIUM YLIDES WITH DIMETHYL ACETYLENEDICARBOXYLATE

Ruder, Suzanne M.

, p. 53 - 58 (2007/10/02)

The reaction of ketophosphonium ylides with dimethyl acetylenedicarboxylate in aprotic solvents gave mixtures of Z and E alkene products.Under protic conditions the initial Michael adduct was protonated and gave Z and E isomers of the alkene product as well.Depending on the alkyl group of the ketoylide, different product ratios were seen.Key words: Ketophosphonium ylide, dimethyl acetylenedicarboxylate, rearrangement, Michael addition.

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