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104764-64-9

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104764-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104764-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,6 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 104764-64:
(8*1)+(7*0)+(6*4)+(5*7)+(4*6)+(3*4)+(2*6)+(1*4)=119
119 % 10 = 9
So 104764-64-9 is a valid CAS Registry Number.

104764-64-9Relevant articles and documents

INTERCEPTION OF TETRAHEDRAL INTERMEDIATES IN Pd(II)-MEDIATED CYCLOALKENYLATIONS OF OLEFINIC ENOL ETHERS

Kende, Andrew S.,Wustrow, David J.

, p. 5411 - 5414 (2007/10/02)

The tetrahedral intermediate 3 has been intercepted during Pd(II)-cycloalkenylation of olefinic enolsilane 1 (R=SiMe2t-Bu).In a related manner, the allyl and crotyl enol ethers 5-8 give with Pd(OAc)2 acetoxy tetrahydrofurans (9, 12, 14, 16), convertible to butyrolactones or furans; competing Pd(II)-mediated Claisen rearrangement was not observed.The intramolecular Pd(II)-cycloalkenylation of the ketene acetal 17 leads to δ-lactones 18 and 19.

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