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1449655-53-1

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1449655-53-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1449655-53-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,9,6,5 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1449655-53:
(9*1)+(8*4)+(7*4)+(6*9)+(5*6)+(4*5)+(3*5)+(2*5)+(1*3)=201
201 % 10 = 1
So 1449655-53-1 is a valid CAS Registry Number.

1449655-53-1Downstream Products

1449655-53-1Relevant articles and documents

Rhodium(I)-complexes catalyzed 1,4-conjugate addition of arylzinc chlorides to N-boc-4-pyridone

Guo, Fenghai,McGilvary, Matthew A.,Jeffries, Malcolm C.,Graves, Briana N.,Graham, Shekinah A.,Wu, Yuelin

, (2017)

Rhodium(I)-complexes catalyzed the 1,4-conjugate addition of arylzinc chlorides to N-Boc-4-pyridone in the presence of chlorotrimethylsilane (TMSCl). A combination of [RhCl(C2H4)2]2 and BINAP was determined to be the most effective catalyst to promote the 1,4-conjugate addition reactions of arylzinc chlorides to N-Boc-4-pyridone. A broad scope of arylzinc reagents with both electron-withdrawing and electron-donating substituents on the aromatic ring successfully underwent 1,4-conjugate addition to N-Boc-4-pyridone to afford versatile 1,4-adducts 2-substituted- 2,3-dihydropyridones in good to excellent yields (up to 91%) and excellent ee (up to 96%) when (S)-BINAP was used as chiral ligand.

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