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4-phenyl-7a,8-dihydrothieno[2,3-f][2]benzofuran-5(7H)-one is a complex organic compound belonging to the class of thienobenzofurans. It features a benzofuran core, which is a fused ring system consisting of a benzene ring and a thiophene ring. The compound is characterized by a 7a,8-dihydro structure, indicating the presence of two hydrogen atoms attached to the 7a and 8 positions, which are part of the thieno ring. Additionally, it has a phenyl group attached at the 4 position, which is a benzene ring. The compound is a ketone, with a carbonyl group (C=O) at the 5 position, and it adopts a 7H conformation, suggesting a specific arrangement of the molecule's atoms that allows for the presence of hydrogen atoms in specific positions. This chemical structure may have potential applications in various fields, such as pharmaceuticals or materials science, due to its unique properties and reactivity.

3216-46-4

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3216-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3216-46-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,1 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3216-46:
(6*3)+(5*2)+(4*1)+(3*6)+(2*4)+(1*6)=64
64 % 10 = 4
So 3216-46-4 is a valid CAS Registry Number.

3216-46-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-phenyl-7a,8-dihydro-7H-thieno[2,3-f][2]benzofuran-5-one

1.2 Other means of identification

Product number -
Other names 4-Phenyl-7a,8-dihydrothieno[2,3-f][2]benzofuran-5(7H)-one

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:3216-46-4 SDS

3216-46-4Upstream product

3216-46-4Downstream Products

3216-46-4Relevant academic research and scientific papers

Intramolecular Didehydro-Diels-Alder Reaction for the Synthesis of Benzo- and Dihydrobenzo-Fused Heterocycles

Bober, Ashley E.,Proto, Justin T.,Brummond, Kay M.

supporting information, p. 1500 - 1503 (2017/04/13)

Using an intramolecular didehydro-Diels-Alder reaction, ene-yne substituted pyrroles, thiophenes, and furans afford functionalized indoles, benzothiophenes, and benzofurans and the corresponding dihydroaromatic products. Product selectivity for the aromatic or dihydroaromatic product is controlled by the reaction conditions, which vary depending upon the substrate.

Phosphazene base-catalyzed intramolecular cascade reactions of aryl-substituted enynes

Tang, Jian-Sheng,Xie, Ye-Xiang,Wang, Zhi-Qiang,Deng, Chen-Liang,Li, Jin-Heng

experimental part, p. 3204 - 3210 (2010/10/21)

A novel method for the synthesis of 9-aryl-3a,4-dihydronaphtho[2,3-c]furan- 1(3H)-ones has been developed by P4-t-Bu-catalyzed intramolecular cascade reactions of enynes. In the presence of a catalytic amount of phosphazene P4-t-Bu base, a variety of 3-arylallyl 3-arylpropiolates underwent the cascade cyclization reaction smoothly in moderate to excellent yields. Georg Thieme Verlag Stuttgart - New York.

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