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N-p-toluenesulfonylacetimidate, also known as tosylacetamide or TsNHAc, is an organic compound with the chemical formula C9H11NO3S. It is a valuable reagent in organic synthesis, particularly in the preparation of various derivatives of amines and amides. N-p-toluenesulfonylacetimidate is formed by the reaction of acetic anhydride with p-toluenesulfonamide, resulting in a stable, crystalline solid. N-p-toluenesulfonylacetimidate is widely used in the protection of amines, as it forms stable and easily removable tosyl (Ts) protecting groups. It is also employed in the synthesis of various biologically active compounds, such as peptides, alkaloids, and other pharmaceuticals. Due to its versatility and stability, this chemical has become an essential tool in the field of organic chemistry and drug development.

2881-15-4

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2881-15-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2881-15-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,8 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2881-15:
(6*2)+(5*8)+(4*8)+(3*1)+(2*1)+(1*5)=94
94 % 10 = 4
So 2881-15-4 is a valid CAS Registry Number.

2881-15-4Relevant academic research and scientific papers

Three-component reactions of sulfonylimidates, silyl glyoxylates and N - Tert -butanesulfinyl aldimines: An efficient, diastereoselective, and enantioselective synthesis of cyclic N -sulfonylamidines

Yao, Ming,Lu, Chong-Dao

supporting information; experimental part, p. 2782 - 2785 (2011/07/07)

Three-component coupling reactions of sulfonylimidates, silyl glyoxylates and N-tert-butanesulfinyl aldimines efficiently provide cyclic N-sulfonylamidines containing free endocyclic N-H. The formation of two C-C bonds (contiguous stereogenic carbons), on

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