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23569-25-7

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23569-25-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23569-25-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,6 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 23569-25:
(7*2)+(6*3)+(5*5)+(4*6)+(3*9)+(2*2)+(1*5)=117
117 % 10 = 7
So 23569-25-7 is a valid CAS Registry Number.

23569-25-7Downstream Products

23569-25-7Relevant articles and documents

Discriminating non-ylidic carbon-sulfur bond cleavages of sulfonium ylides for alkylation and arylation reactions

Fang, Jing,Li, Ting,Ma, Xiang,Sun, Jiuchang,Cai, Lei,Chen, Qi,Liao, Zhiwen,Meng, Lingkui,Zeng, Jing,Wan, Qian

, p. 288 - 292 (2021/07/25)

A sulfonium ylide participated alkylation and arylation under transition-metal free conditions is described. The disparate reaction pattern allowed the separate activation of non-ylidic S-alkyl and S-aryl bond. Under acidic conditions, sulfonium ylides serve as alkyl cation precursors which facilitate the alkylations. While under alkaline conditions, cleavage of non-ylidic S-aryl bond produces O-arylated compounds efficiently. The robustness of the protocols were established by the excellent compatibility of wide variety of substrates including carbohydrates.

Development of triazine-based benzylating reagents possessing T-butyl group on the triazine core: Thermally controllable reagents for the initiation of reaction

Karuo, Yukiko,Yamada, Kohei,Kunishima, Munetaka

, p. 303 - 308 (2018/03/09)

Benzylating reagents, 4-(4,6-di-t-butyl-1,3,5-triazin-2-yl)-4-benzylmorpholinium triflate, and related derivatives have been developed. The reagents release benzyl triflate as a benzyl cation equivalent upon heating the solution to 40°C under neutral conditions. The O-benzylation of alcohols using a stoichiometric amount of these reagents afforded corresponding benzyl ethers in good to high yields. This was due to the presence of a bulky t-butyl group on the triazine ring of these reagents that prevents the consumption of benzyl triflate via a side reaction with a morpholinotriazine derivative.

N,N′-Dimethylated Benzyloxytriazinedione: A Stable Solid Reagent for Acid-Catalyzed O-Benzylation

Fujita, Hikaru,Kakuyama, Satoshi,Kunishima, Munetaka

, p. 833 - 839 (2017/02/15)

N,N′-Dimethylated 6-(benzyloxy)-1,3,5-triazine-2,4(1H,3H)-dione (DMBOT) has been developed as a triazinedione-based, stable solid reagent for acid-catalyzed O-benzylation. The conceptual basis of the design was to fix the core triazinedione skeleton, and

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