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3-Phenyl-cholesta-3,5-diene is a chemical compound with the molecular formula C28H40. It is a derivative of cholestadiene, a type of steroid, and features a phenyl group attached to the 3-position of the cholestane ring system. 3-phenyl-cholesta-3,5-diene is characterized by the presence of two double bonds at the 3 and 5 positions, which contribute to its unique chemical properties. It is an important intermediate in the synthesis of various pharmaceuticals and other organic compounds due to its structural similarity to cholesterol and other biologically active steroids. The compound's potential applications in the development of new drugs and its role in organic synthesis make it a subject of interest in the field of chemistry.

2309-35-5

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2309-35-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2309-35-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,0 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2309-35:
(6*2)+(5*3)+(4*0)+(3*9)+(2*3)+(1*5)=65
65 % 10 = 5
So 2309-35-5 is a valid CAS Registry Number.

2309-35-5Relevant academic research and scientific papers

Nickel-Catalyzed Direct Synthesis of Aryl Olefins from Ketones and Organoboron Reagents under Neutral Conditions

Lei, Chuanhu,Yip, Yong Jie,Zhou, Jianrong Steve

supporting information, p. 6086 - 6089 (2017/05/08)

Nickel-catalyzed addition of arylboron reagents to ketones results in aryl olefins directly. The neutral condition allows acidic protons of alcohols, phenols, and malonates to be present, and fragile structures are also tolerated.

SYNTHESIS AND LIQUID CRYSTAL PROPERTIES OF SOME 3-ARYLCHOLEST-2-ENES AND 3-ARYLCHOLEST-3,5-DIENES.

Verbit,Pinhas,Hudec

, p. 159 - 165 (2007/10/02)

A series of mesogenic 3-arylcholest-2-enes and 3-arylcholest-3,5-dienes were prepared. All members of the monoene and diene steroid series exhibited enantiotropic cholesteric mesophases. The broadest mesophase range was 90 degree , found for para-methoxyphenylcholest-2-ene.

Asymmetric Induction in Liquid Crystals: Optically Active trans-Cyclooctene from Hofmann Elimination in New Cholesteric Mesophases

Seuron, Patrick,Solladie, Guy

, p. 715 - 719 (2007/10/02)

Optically active trans-cyclooctene was obtained by Hofmann elimination of trimethylcyclooctyl ammonium hydroxide in new cholesteric liquid crystals.The extent of asymmetric induction rose 7 percent.Enantiomeric equilibration of racemic trans-cyclooctene in cholesteric medium, at 180 deg C, leads to a 2 percent enantiomeric excess.These asymmetric induction results are interpreted in terms of solute-solvent interactions enhanced by the local ordering of the mesophase.

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