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6-Chloro-8-iodo-9-(tetrahydro-pyran-2-yl)-9H-purine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

218431-10-8

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218431-10-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218431-10-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,4,3 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 218431-10:
(8*2)+(7*1)+(6*8)+(5*4)+(4*3)+(3*1)+(2*1)+(1*0)=108
108 % 10 = 8
So 218431-10-8 is a valid CAS Registry Number.

218431-10-8Relevant articles and documents

Design, synthesis, and anticancer activity of C8-substituted-4′-thionucleosides as potential HSP90 inhibitors

Qu, Shuhao,Mulamoottil, Varughese A.,Nayak, Akshata,Ryu, Seungyeon,Hou, Xiyan,Song, Jayoung,Yu, Jinha,Sahu, Pramod K.,Zhao, Long Xuan,Choi, Sun,Lee, Sang Kook,Jeong, Lak Shin

, p. 3418 - 3428 (2016)

A series of C8-substituted-4′-thioadenosine analogs 3a–3g, 15, and 17 and their truncated derivatives 4a–4j, 23–25, and 27 have been successfully synthesized from D-ribose and D-mannose, respectively, employing Pummerer type or Vorbrüggen condensation reactions and the functionalization at the C8-position of nucleobase via Stille coupling or nucleophilic aromatic substitution reactions as key steps. All the synthesized compounds were assayed for their HSP90 inhibitory activity, but they were found to be inactive up to 100 μM. However, the 8-iodo derivatives 15, 17, and 27 exhibited potent anticancer activity, indicating that different mechanism of action might be involved in their biological activity.

Regioselective functionalization of purine derivatives at positions 8 and 6 using hindered TMP-amide bases of Zn and Mg

Crestey, Fran?ois,Zimdars, Silvia,Knochel, Paul

, p. 3029 - 3037 (2013/11/06)

A broad range of purine derivatives were efficiently metalated at positions 8 and 6 using TMP-amide bases. This provided polysubstituted purines in good to very good yields after subsequent trapping of the zinc or magnesium intermediates with various elec

Regioselective Sonogashira cross-coupling reactions of 6-chloro-2,8-diiodo- 9-THP-9H-purine with alkyne derivatives

Ibrahim, Nada,Chevot, Franciane,Legraverend, Michel

supporting information; experimental part, p. 305 - 307 (2011/02/26)

Lithiation of 6-chloro-9-(tetrahydro-2H-pyran-2-yl)-9H-purine with LiTMP, gave access to 6-chloro-2,8-dihalogenated purine derivatives. In particular, the 6-chloro-2,8-diiodopurine derivative is an interesting new intermediate which gave regioselectively various 2-alkynylated compounds or 2,8-dialkynylated purines by using an excess of alkyne.

Synthesis of 8-halopurines by reaction of lithiated purines with appropriate halogen donors

Nolsoe, Jens M. J.,Gundersen, Lise-Lotte,Rise, Frode

, p. 4303 - 4315 (2007/10/03)

Purines lithiated in the 8-position, can be trapped with hexachloroethane, dibromotetrachloroethane, cyanogen bromide and cyanogen iodide, to give a variety of 8-halopurines in excellent yields.

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