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1407999-33-0

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1407999-33-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1407999-33-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,7,9,9 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1407999-33:
(9*1)+(8*4)+(7*0)+(6*7)+(5*9)+(4*9)+(3*9)+(2*3)+(1*3)=200
200 % 10 = 0
So 1407999-33-0 is a valid CAS Registry Number.

1407999-33-0Downstream Products

1407999-33-0Relevant articles and documents

Radical amination of C(sp3)-H bonds using N -hydroxyphthalimide and dialkyl azodicarboxylate

Amaoka, Yuuki,Kamijo, Shin,Hoshikawa, Tamaki,Inoue, Masayuki

, p. 9959 - 9969 (2012)

A direct conversion of C(sp3)-H bonds to C(sp3)-N bonds has been achieved by utilizing catalytic N-hydroxyphthalimide (NHPI) and stoichiometric dialkyl azodicarboxylate. NHPI functions as a precursor of the electron-deficient phthalimide N-oxyl radical (PINO) to abstract hydrogens, and dialkyl azodicarboxylate acts as a trapping agent of the resultant carbon radical to generate the hydrazine derivatives. This C-H amination proceeds in a highly chemoselective manner with a wide applicability to functionalize benzylic, propargylic, and aliphatic C-H bonds. Furthermore, the obtained hydrazine compounds were readily converted to the corresponding carbamates or amines. Hence, the present protocol for direct introduction of the nitrogen functionality serves as a powerful tool for efficient construction of nitrogen-substituted natural products and pharmaceuticals.

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