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1376191-77-3

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1376191-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1376191-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,6,1,9 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1376191-77:
(9*1)+(8*3)+(7*7)+(6*6)+(5*1)+(4*9)+(3*1)+(2*7)+(1*7)=183
183 % 10 = 3
So 1376191-77-3 is a valid CAS Registry Number.

1376191-77-3Downstream Products

1376191-77-3Relevant articles and documents

Highly enantioselective synthesis of chiral allenes by sequential creation of stereogenic center and chirality transfer in a single pot operation

Periasamy, Mariappan,Sanjeevakumar, Nalluri,Dalai, Manasi,Gurubrahamam, Ramani,Reddy, Polimera Obula

supporting information; experimental part, p. 2932 - 2935 (2012/08/28)

Chiral allenes are readily accessed in a single pot operation in the reaction of terminal alkynes, aldehydes, chiral secondary amines, and zinc halides in good yields (up to 77% yield) and excellent enantioselectivities (up to 99% ee) in toluene at 120 °C. The reaction proceeds through initial formation of chiral propargylamine intermediates with creation of a new stereogenic center and subsequent chirality transfer via an intramolecular hydride shift to produce chiral allenes with high enantiomeric purities.

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