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1082070-26-5

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1082070-26-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1082070-26-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,2,0,7 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1082070-26:
(9*1)+(8*0)+(7*8)+(6*2)+(5*0)+(4*7)+(3*0)+(2*2)+(1*6)=115
115 % 10 = 5
So 1082070-26-5 is a valid CAS Registry Number.

1082070-26-5Downstream Products

1082070-26-5Relevant articles and documents

Facile access to sterically hindered aryl ketones via carbonylative cross-coupling: Application to the total synthesis of luteolin

O'Keefe, B. Michael,Simmons, Nicholas,Martin, Stephen F.

, p. 4344 - 4351 (2011/07/29)

A general and mild protocol for achieving the carbonylative cross-coupling of sterically hindered, ortho-disubstituted aryl ketones is reported. The commercially available PEPPSI-IPr catalyst is shown to efficiently promote the carbonylative cross-coupling of hindered ortho-disubstituted aryl iodides to give diaryl ketones; traditional phosphine catalysts are less effective. Carbonylative Suzuki-Miyaura cross-couplings provide a diverse array of biaryl ketones in good to excellent yields. The same catalyst is also shown to catalyze a carbonylative Negishi cross-coupling reaction, utilizing a variety of alkynyl-zinc reagents to give the corresponding alkynyl aryl ketones. Application of this new methodology to the synthesis of the natural product luteolin is reported.

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