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129880-59-7

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129880-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129880-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,8 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129880-59:
(8*1)+(7*2)+(6*9)+(5*8)+(4*8)+(3*0)+(2*5)+(1*9)=167
167 % 10 = 7
So 129880-59-7 is a valid CAS Registry Number.

129880-59-7Relevant articles and documents

New functionalised ditertiary phosphines via phosphorus based Mannich condensation reactions

Durran, Sean E.,Elsegood, Mark R. J.,Hawkins, Neil,Smith, Martin B.,Talib, Salem

, p. 5255 - 5257 (2003)

The one-step synthesis of a family of functionalised ditertiary aminophosphines are described including the X-ray crystal structure of 4-{(Ph2PCH2)2N}C6H4CO 2H.

Catalyst Pendent-Base Effects on Cyclization of Alkynyl Amines

Stubbs, James M.,Chapple, Devon E.,Boyle, Paul D.,Blacquiere, Johanna M.

, p. 3694 - 3702 (2018/08/06)

A family of [CpRu(PP)(MeCN)]PF6 complexes (2 a–e and 4) were prepared in which the bis-phosphine ligand contains a pendent tertiary amine in the second-coordination sphere. 2 a–e contain PPh2NR′2 ligands with two amine groups as the pendent base. Complex 4 has the PPh2NPh1 ligand with only one pendent amine. The catalytic performance of 2 a–e and 4 were assessed in the cyclization of 2-ethynyl aniline and 2-ethynylbenzyl alcohol. It was revealed that the positioning of the pendent amine near the metal active site is essential for high catalyst performance. A comparison of PPh2NR′2 catalysts (2 a–e) showed minimal difference in performance as a function of pendent amine basicity. Rather, only a threshold basicity – in which the pendent amine was more basic than the substrate – was required for high performance.

Microwave-assisted synthesis of organophosphorus compounds

Balint, Erika,Fazekas, Eszter,Takacs, Judit,Tajti, Adam,Juranovic, Amadej,Kocevar, Marijan,Keglevich, Gyoergy

, p. 48 - 50 (2013/06/27)

Kabachnik-Fields reactions of a variety of amines, phospha-Michael additions to maleimide derivatives and alcoholysis of dialkyl phosphites were studied under microwave conditions.

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