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9-(3,4-dichlorobenzylidene)-9H-fluorene is a chemical compound with the molecular formula C19H12Cl2. It is a derivative of fluorene, a polycyclic aromatic hydrocarbon, and features a dichlorobenzylidene group attached to the 9-position of the fluorene core. 9-(3,4-dichlorobenzylidene)-9H-fluorene is characterized by its yellow crystalline appearance and is known for its potential applications in the synthesis of various organic compounds and materials. Due to the presence of chlorine atoms, it may also be involved in reactions that require electrophilic substitution, making it a versatile intermediate in organic chemistry.

6967-18-6

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6967-18-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6967-18-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,6 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6967-18:
(6*6)+(5*9)+(4*6)+(3*7)+(2*1)+(1*8)=136
136 % 10 = 6
So 6967-18-6 is a valid CAS Registry Number.

6967-18-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 9-(3,4-dichlorobenzylidene)-9H-fluorene

1.2 Other means of identification

Product number -
Other names -

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

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More Details:6967-18-6 SDS

6967-18-6Upstream product

6967-18-6Relevant academic research and scientific papers

Synthesis of 9-Fluorenylidenes via Pd-Catalyzed C-H Vinylation with Vinyl Bromides

Yang, Shuai,Zhang, Yanghui

supporting information, p. 7746 - 7750 (2021/10/12)

A facile and efficient approach for the synthesis of 9-fluorenylidenes has been developed via the palladium-catalyzed cross-coupling of 2-iodobiphenyls and vinyl bromides. The reaction involves the C-H activation of 2-iodobiphenyls and dual C-C bond formations. A range of 9-fluorenylidene derivatives, including diphenyldibenzofulvenes, can be synthesized with the reaction.

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