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45977-26-2

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45977-26-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 45977-26-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,5,9,7 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 45977-26:
(7*4)+(6*5)+(5*9)+(4*7)+(3*7)+(2*2)+(1*6)=162
162 % 10 = 2
So 45977-26-2 is a valid CAS Registry Number.

45977-26-2Downstream Products

45977-26-2Relevant articles and documents

Four-Step Total Synthesis of (+)-Euphococcinine and (±)-Adaline

Khandare, Sopan P.,Prasad, Kavirayani R.

, p. 12285 - 12291 (2021)

A four-step enantiospecific total synthesis of bicyclic homotropinone alkaloid euphococcinine and a racemic synthesis of adaline were reported. Key reactions in the synthesis are the diastereoselective addition of a Wittig phosphorene to the ketimines derived from Davis-Ellman sulfinamides, ring-closing metathesis, and intramolecular Michael reactions.

Asymmetrie synthesis of substituted homotropinones from W-Sulfinyl β-Amino ketone ketals. (-)-Euphococcinine and (-)-Adaline

Davis, Franklin A.,Edupuganti, Ram

supporting information; experimental part, p. 848 - 851 (2010/04/26)

Sulflnlmlne-derived N-sulflnyl βamlno ketone ketals on heating with NH4OAc:HOAc undergo a four-step intramolecular Mannich cyclization cascade reaction to give homotroplnones, such as (-)-euphococclnlne, in excellent yields as single isomers. 10.1021/ol902910w

An efficient, asymmetric synthesis of (+)-euphococcinine

Mechelke, Mark F.,Meyers

, p. 4339 - 4342 (2007/10/03)

The enantioselective synthesis of (+)-euphococcinine (1), a homotropane alkaloid, has been achieved in five steps from bicyclic lactam 5. (C) 2000 Elsevier Science Ltd.

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