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145123-14-4

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145123-14-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145123-14-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,1,2 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 145123-14:
(8*1)+(7*4)+(6*5)+(5*1)+(4*2)+(3*3)+(2*1)+(1*4)=94
94 % 10 = 4
So 145123-14-4 is a valid CAS Registry Number.

145123-14-4Downstream Products

145123-14-4Relevant articles and documents

3-Metallated enamines XI. Transmetallation of 3-Stannylated enamines - A new method to generate 1-aminoallyllithium compounds

Ahlbrecht,Weber

, p. 1018 - 1025 (2007/10/02)

The transmetallation of 3-stannylated enamines, 1-morpholino-3-(trialkylstannyl)cycloalk-1-enes and 3-morpholino-5-(tributylstannyl)hex-3-ene, with butyllithium is a new and general way to generate s1-aminoallyllithium compounds. Stabilization by aromatic substituents is not further necessarily as in the case of preparation by deprotonation and even the thermodynamically less stable exoamino derivatives are accessible. Therefore homoenolate-equivalents of cyclic ketones are made available. Thus, the corresponding 3-alkylated or 3-silylated cycloalkanones and alken-3-ones were prepared via the 1-morpholinoallyllithium compounds.

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