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1221277-44-6

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1221277-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221277-44-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,2,7 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1221277-44:
(9*1)+(8*2)+(7*2)+(6*1)+(5*2)+(4*7)+(3*7)+(2*4)+(1*4)=116
116 % 10 = 6
So 1221277-44-6 is a valid CAS Registry Number.

1221277-44-6Downstream Products

1221277-44-6Relevant articles and documents

Synthesis of tertiary amides from anionically activated aromatic trifluoromethyl groups

OMahony, Gavin,Pitts, Andrew K.

supporting information; experimental part, p. 2024 - 2027 (2010/06/21)

Figure presented In this paper, a novel synthesis of tertiary amides from anionically activated aromatic trifluoromethyl groups is presented. Anionically activated trifluoromethyl groups react with secondary amines under aqueous conditions to afford tertiary amides. The mechanism involves initial elimination of hydrogen fluoride by an E1cB mechanism to afford an electrophilic quinone methide- or azafulvene-type intermediate that reacts with secondary amines under aqueous conditions to afford the tertiary amide in good yield (up to 99%).

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