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13336-54-4

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13336-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13336-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,3 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13336-54:
(7*1)+(6*3)+(5*3)+(4*3)+(3*6)+(2*5)+(1*4)=84
84 % 10 = 4
So 13336-54-4 is a valid CAS Registry Number.

13336-54-4Relevant articles and documents

Convenient synthesis of allenylphosphoryl compounds: Via Cu-catalysed couplings of P(O)H compounds with propargyl acetates

Shen, Ruwei,Luo, Bing,Yang, Jianlin,Zhang, Lixiong,Han, Li-Biao

supporting information, p. 6451 - 6454 (2016/05/24)

A novel Cu-catalysed substitution reaction of propargyl acetates with P(O)H compounds is developed to afford allenylphosphoryl compounds via C-P bond coupling in high yields under mild conditions. A plausible mechanism involving the nucleophilic interception of the Cu-allenylidene intermediates is proposed.

Oxaphospholene and oxaphosphinene heterocycles via RCM using unsymmetrical phosphonates or functional phosphinates

Fourgeaud, Pierre,Midrier, Camille,Vors, Jean-Pierre,Volle, Jean-No?l,Pirat, Jean-Luc,Virieux, David

experimental part, p. 758 - 764 (2010/09/05)

New phosphorus heterocycles were synthesized using RCM reaction. They were prepared from unsymmetrical or polyfunctional insaturated precursor in 50 to 87% yields solving the problem of possible competitive side reactions. In parallel hydroxyphosphinate scaffolds represent a versatile starting material and could be of great interest for the synthesis of phosphosugar libraries.

Hewitt reaction revisited

Afarinkia, Kamyar,Yu, Hiu-Wan

, p. 781 - 783 (2007/10/03)

A range of alkyl phenylphosphonites are prepared from the reaction of phenylphosphinic acid with the corresponding alkyl chloroformates. A mechanism for this reaction is proposed.

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