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9H-Fluoren-9-ylidene, also known as fluorenylidene, is a chemical compound with the molecular formula C13H10. It is a colorless, crystalline solid that is derived from the fluorene molecule by removing a hydrogen atom from the 9-position. 9H-Fluoren-9-ylidene is an important intermediate in the synthesis of various fluorene-based compounds, such as polymers and pharmaceuticals. 9H-Fluoren-9-ylidene is known for its stability and reactivity, making it a valuable building block in organic chemistry. It is also used as a ligand in coordination chemistry, where it can form complexes with transition metals. The compound is typically synthesized through the deprotonation of fluorene using a strong base, such as n-butyllithium.

2762-16-5

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2762-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2762-16-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,6 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2762-16:
(6*2)+(5*7)+(4*6)+(3*2)+(2*1)+(1*6)=85
85 % 10 = 5
So 2762-16-5 is a valid CAS Registry Number.

2762-16-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name fluorenylidene

1.2 Other means of identification

Product number -
Other names fluorene-9,9-diyl

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2762-16-5 SDS

2762-16-5Relevant academic research and scientific papers

THE REACTIONS OF FLUORENYLIDENE WITH HETEROATOMIC NUCLEOPHILES

Zupancic, Joseph J.,Grasse, Peter B.,Lapin, Stephen C.,Schuster, Gary B.

, p. 1471 - 1478 (1985)

The reaction of fluorenylidene with heteroatomic nucleophiles gives good yields of addition products.The rates of these reactions were determined using laser spectrophotometric techniques.Kinetic and product isotope effects were measured.The results of this investigation show that the reaction of the carbene with the nucleophile is not a one-step process.The implication of these conclusions to the spin selective reactions of carbenes and their utility as photoaffinity labels is discussed.

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