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4-(3-methylbenzyl)-3-phenyl-9-tosyl-9H-carbazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1577228-85-3

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1577228-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1577228-85-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,7,2,2 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1577228-85:
(9*1)+(8*5)+(7*7)+(6*7)+(5*2)+(4*2)+(3*8)+(2*8)+(1*5)=203
203 % 10 = 3
So 1577228-85-3 is a valid CAS Registry Number.

1577228-85-3Downstream Products

1577228-85-3Relevant academic research and scientific papers

Efficient carbazole synthesis via Pd/Cu-cocatalyzed cross-coupling/ isomerization of 2-allyl-3-iodoindoles and terminal alkynes

Zhu, Can,Ma, Shengming

supporting information, p. 1542 - 1545 (2014/04/17)

The Pd/Cu-cocatalyzed one-pot reaction of 2-allyl-3-iodo-1-tosyl-1H-indoles and terminal alkynes afforded carbazoles highly efficiently via sequential carbon-carbon coupling, isomerization, cyclization, and aromatization forming a benzene ring. Both Pd and Cu are responsible for the coupling step, while K 2CO3 was observed to be critical for the subsequent cyclization.

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