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Trimethyl-(5-phenyl-penta-3,4-dien-1-ynyl)-silane is an organosilicon compound characterized by a unique structure that combines a trimethylsilyl group with a conjugated dienyl moiety attached to a phenyl ring. Trimethyl-(5-phenyl-penta-3,4-dien-1-ynyl)-silane is represented by the formula (CH3)3Si-C≡C-C=C-C=C-Ph, where "Ph" denotes the phenyl group. It is a colorless liquid with a distinctive chemical reactivity due to the presence of the triple bond and the phenyl group. This molecule is of interest in organic synthesis, particularly in reactions involving the formation of carbon-carbon bonds and as a protecting group in organic chemistry. Its stability and reactivity can be influenced by the electron-donating nature of the trimethylsilyl group and the conjugated system of the dienyl moiety.

78390-01-9

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78390-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78390-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,9 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78390-01:
(7*7)+(6*8)+(5*3)+(4*9)+(3*0)+(2*0)+(1*1)=149
149 % 10 = 9
So 78390-01-9 is a valid CAS Registry Number.

78390-01-9Downstream Products

78390-01-9Relevant academic research and scientific papers

PALLADIUM(0)-PROMOTED SYNTHESIS OF FUNCTIONALLY SUBSTITUTED ALLENES BY MEANS OF ORGANOZINC COMPOUNDS

Ruitenberg, K.,Kleijn, H.,Elsevier, C. J.,Meijer, J.,Vermeer, P.

, p. 1451 - 1452 (1981)

The paper describes new routes to aryl-, vinyl-, and 1-alkynylallenes and to diallenes via Pd(PPh3)4-promoted reaction of propargylic or allenic halides with appropriate organozinc halides.Propargylic acetates are also suited to prepare such allenes.

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