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1,1-diphenyl 3,4-dimethyl 2H-phosphole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

158875-05-9

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158875-05-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158875-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,8,7 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158875-05:
(8*1)+(7*5)+(6*8)+(5*8)+(4*7)+(3*5)+(2*0)+(1*5)=179
179 % 10 = 9
So 158875-05-9 is a valid CAS Registry Number.

158875-05-9Relevant academic research and scientific papers

Synthesis and reactivity of new 1,1-diphenyl-2,5-dihydrophospholium salts

Cristau, H. J.,Grenier, J.,Torreilles, E.

, p. 130 (2007/10/03)

We describe the first synthesis of new 1,1-diphenyl-2,5-dihydrophospholium salts of type 1.These salts allow the access to interesting alkadienyl phosphine oxides 3 and trienes 4.Unfortunately we could not obtain the strong nucleophilic diylide 5. - Keywords: Dihydrophospholium Salts, ylides, Wittig Reaction, Trienes.

SYNTHESIS AND REACTIVITY OF A NEW 1,1-DIPHENYL 2,5-DIHYDROPHOSPHOLIUM SALT

Cristau, H.-J.,Grenier, J.,Torreilles, E.

, p. 163 - 172 (2007/10/02)

We describe the first synthesis of an unsaturated cyclic diphenyl phosphoium salt of type 2, the 1,1-diphenyl 2,5-dihydrophospholium salt 2d.The method involves a cyclo-addition of the diphenyl halophosphine to the corresponding diene.The salt 2d allowed

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