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156267-16-2

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156267-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156267-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,2,6 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 156267-16:
(8*1)+(7*5)+(6*6)+(5*2)+(4*6)+(3*7)+(2*1)+(1*6)=142
142 % 10 = 2
So 156267-16-2 is a valid CAS Registry Number.

156267-16-2Relevant articles and documents

Direct Amidation of N-Boc- and N-Cbz-Protected Amines via Rhodium-Catalyzed Coupling of Arylboroxines and Carbamates

Lim, Diane S. W.,Lew, Tedrick T. S.,Zhang, Yugen

, p. 6054 - 6057 (2015)

N-Boc- and N-Cbz-protected amines are directly converted into amides by a novel rhodium-catalyzed coupling of arylboroxines and carbamates, replacing the traditional two-step deprotection-condensation sequence. Both protected anilines and aliphatic amines are efficiently transformed into a wide variety of secondary benzamides, including sterically hindered and electron-deficient amides, as well as in the presence of acid-labile and reducible functional groups.

A catalyst-free N-benzyloxycarbonylation of amines in aqueous micellar media at room temperature

Shrikhande, Janhavi J.,Gawande, Manoj B.,Jayaram, Radha V.

, p. 4799 - 4803 (2008/12/22)

N-Benzyloxycarbonylation of amines was carried out in aqueous micellar media. Aliphatic (open and cyclic), aromatic and heteroaromatic amines react with Cbz-Cl to give excellent yields of products. The reactions were carried out in water and at room temperature.

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