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1125576-35-3

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1125576-35-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1125576-35-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,5,5,7 and 6 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1125576-35:
(9*1)+(8*1)+(7*2)+(6*5)+(5*5)+(4*7)+(3*6)+(2*3)+(1*5)=143
143 % 10 = 3
So 1125576-35-3 is a valid CAS Registry Number.

1125576-35-3Relevant articles and documents

Nickel-Catalyzed Asymmetric Transfer Hydrogenation and α-Selective Deuteration of N-Sulfonyl Imines with Alcohols: Access to α-Deuterated Chiral Amines

Yang, Peng,Zhang, Li,Fu, Kaiyue,Sun, Yaxin,Wang, Xiuhua,Yue, Jieyu,Ma, Yu,Tang, Bo

supporting information, p. 8278 - 8284 (2020/11/03)

A nickel-catalyzed enantioselective transfer hydrogenation and deuteration of N-sulfonyl imines was developed. Excellent α-selectivity and high deuterium content were achieved by using inexpensive 2-propanol-d8 as a deuterium source. As a highlight, no deuteration of β-C-H and the remote C-H of N-sulfonyl amines occurred, which is hard to achieve using other imines or by hydrogen isotope exchange with D2O. Mechanism studies indicated a stepwise pathway through the [Ni-D] intermediate.

Enantioselective, intermolecular benzylic C-H amination catalysed by an engineered iron-haem enzyme

Prier, Christopher K.,Zhang, Ruijie K.,Buller, Andrew R.,Brinkmann-Chen, Sabine,Arnold, Frances H.

, p. 629 - 634 (2017/06/30)

C-H bonds are ubiquitous structural units of organic molecules. Although these bonds are generally considered to be chemically inert, the recent emergence of methods for C-H functionalization promises to transform the way synthetic chemistry is performed. The intermolecular amination of C-H bonds represents a particularly desirable and challenging transformation for which no efficient, highly selective, and renewable catalysts exist. Here we report the directed evolution of an iron-containing enzymatic catalyst - based on a cytochrome P450 monooxygenase - for the highly enantioselective intermolecular amination of benzylic C-H bonds. The biocatalyst is capable of up to 1,300 turnovers, exhibits excellent enantioselectivities, and provides access to valuable benzylic amines. Iron complexes are generally poor catalysts for C-H amination: in this catalyst, the enzyme's protein framework confers activity on an otherwise unreactive iron-haem cofactor.

Catalytic coupling of N-benzylic sulfonamides with silylated nucleophiles at room temperature

Yang, Bai-Ling,Tian, Shi-Kai

supporting information; experimental part, p. 6180 - 6182 (2010/10/20)

In the presence of 2-10 mol% of Tf2NH, a range of N-benzylic sulfonamides smoothly react with allylic, propargylic, benzylic, or hydrido silanes at room temperature via sp3 carbon-nitrogen bond cleavage to afford structurally diverse products in moderate to excellent yields and with high chemo- and regioselectivity.

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