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(Z)-2-pentenylidene triphenylphosphorane is a phosphorus-containing organic compound, specifically a phosphorane, with the molecular formula C21H21P. It is a colorless to pale yellow crystalline solid, soluble in organic solvents such as dichloromethane and tetrahydrofuran. (Z)-2-pentenylidene triphenylphosphorane is formed by the deprotonation of (Z)-2-pentenyltriphenylphosphonium bromide using a strong base like n-butyllithium or potassium tert-butoxide. (Z)-2-pentenylidene triphenylphosphorane is a valuable reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through the Wittig reaction, where it acts as a nucleophile to aldehydes and ketones, leading to the formation of alkenes. Its (Z)-geometry indicates that the double bond has a specific configuration, with the substituents on the double bond arranged in a cis manner relative to each other.

50375-98-9

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50375-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50375-98-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,3,7 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 50375-98:
(7*5)+(6*0)+(5*3)+(4*7)+(3*5)+(2*9)+(1*8)=119
119 % 10 = 9
So 50375-98-9 is a valid CAS Registry Number.

50375-98-9Relevant academic research and scientific papers

Exo- and Endohormones. X. A Novel Route to an Isomer Mixture of 7,9-Dodecadien-1-yl Acetate Utilizable in Field Attraction of Lobesia botrana Males

Daradics, L.,Oprean, I.,Hodosan, F.

, p. 277 - 282 (2007/10/02)

Wittig condensation of (Z)-2-pentenylidene triphenylphosphorane (14) and 7-tert.-butoxy-heptanal (13) under conditions of phase transfer catalysis and subsequent conversion into the corresponding acetate afforded a mixture of 28percent 7(E),9(Z)-dodecadien-1-yl acetate, the sex pheromone of Lobesia botrana, along with the other geometrical isomers and 30percent unidentified by-products.The synthons 14 and 13 were prepared starting with (Z)-2-butene-1,4-diol (1) and hexane-1,6-diol (9), respectively.

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