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1381776-08-4

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1381776-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1381776-08-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,7,7 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1381776-08:
(9*1)+(8*3)+(7*8)+(6*1)+(5*7)+(4*7)+(3*6)+(2*0)+(1*8)=184
184 % 10 = 4
So 1381776-08-4 is a valid CAS Registry Number.

1381776-08-4Downstream Products

1381776-08-4Relevant articles and documents

Efficient C-3 functionalization of 4-dimethylaminopyridine (DMAP). A straightforward access to new chiral nucleophilic catalysts

Poisson, Thomas,Oudeyer, Sylvain,Levacher, Vincent

scheme or table, p. 3284 - 3287 (2012/07/31)

Herein, the straightforward C-3 functionalization of 4- dimethylaminopyridine (DMAP) backbone is disclosed. An efficient halogen-metal exchange procedure from 3-bromo DMAP 1 is reported providing a large panel of C-3 functionalized DMAPs. In addition, a Pd-catalysed C-N cross-coupling reaction is also described furnishing new 3-amino DMAPs. These new functionalization pathways led to the resolution-free synthesis of three new chiral DMAP catalysts in few steps and a good overall yield. These new catalysts were evaluated into the Steglich rearrangement giving modest enantioselectivities (up to 20% ee).

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