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4895-61-8

(E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester is a complex organic compound with the molecular formula C30H27O4P. It is a derivative of pentenoic acid, featuring a methyl ester group, a phenyl ring, and a triphenylphosphoranyliden moiety. (E)-3-Oxo-5-phenyl-2-(triphenylphosphoranyliden)-4-pentensaeure-methylester is characterized by a conjugated diene system with a carbonyl group at the 3-position and an (E)-configuration, indicating the trans arrangement of the double bond and the phenyl group. It is a potentially useful intermediate in the synthesis of various organic compounds, particularly those involving phosphorus-containing moieties. The compound's structure and reactivity make it a candidate for applications in pharmaceuticals, materials science, and other areas of chemistry where complex organic molecules are required.

4895-61-8

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4895-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4895-61-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,9 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4895-61:
(6*4)+(5*8)+(4*9)+(3*5)+(2*6)+(1*1)=128
128 % 10 = 8
So 4895-61-8 is a valid CAS Registry Number.

4895-61-8Relevant articles and documents

Cumulated Ylides, 22. - Reactions of (Triphenylphosphoranylidene)ethenone with Halogen Compounds and their Preparative Application

Bestmann, Hans Juergen,Geismann, Christian,Zimmermann, Reiner

, p. 1501 - 1510 (2007/10/02)

(Triphenylphosphoranylidene)ethenone (6) reacts with halogen compounds 7 to yield four-membered ylide phosphonium salts 9.Ring opening of 9 under different conditions gives rise to the formation of bis-ylides 13, ylide salts 14, or bis-phosphonium salts 1

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