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144863-34-3

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144863-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144863-34-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,8,6 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 144863-34:
(8*1)+(7*4)+(6*4)+(5*8)+(4*6)+(3*3)+(2*3)+(1*4)=143
143 % 10 = 3
So 144863-34-3 is a valid CAS Registry Number.

144863-34-3Relevant articles and documents

Palladium catalysed tandem cyclisation-anion capture. Part 5: Cascade hydrostannylation-bis-cyclisation-intramolecular anion capture. Synthesis of bridged- and spiro-cyclic small and macrocyclic heterocycles

Casaschi, Adele,Grigg, Ronald,Sansano, José M,Wilson, David,Redpath, James

, p. 7541 - 7551 (2007/10/03)

A series of O- and N-α,ω-enyne derivatives of 2-iodoarylethers and 2-iodoarylamides undergo palladium catalysed cascade hydrostannylation of the ω-alkyne moiety at 0-25°C followed by bis-cyclisation at 100-110°C terminating in intramolecular sp3-sp2 Stille coupling. These cascades provide a wide range of 5/6 and 5/12-17 membered bicyclic spiro- and bridged-ring heterocycles. (C) 2000 Elsevier Science Ltd.

Palladium Catalysed Tandem Cyclisation-Anion Capture Processes. Part 1. Background and Hydride Ion Capture by Alkyl- and ?-Allyl-Palladium Species.

Burns, Barry,Grigg, Ronald,Santhakumar, Vijayaratnam,Sridharan, Visuvanathar,Stevenson, Paul,Worakun, Tanachet

, p. 7297 - 7320 (2007/10/02)

A new, wide ranging, synthetically powerful, catalytic tandem cyclisation-anion capture process is proposed which depends on the rate of cyclisation of an organopalladium specifies (RPdX) onto a proximate alkene or diene being significantly faster than an

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