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26760-22-5

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26760-22-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26760-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,7,6 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 26760-22:
(7*2)+(6*6)+(5*7)+(4*6)+(3*0)+(2*2)+(1*2)=115
115 % 10 = 5
So 26760-22-5 is a valid CAS Registry Number.

26760-22-5Relevant articles and documents

NaHSO3-Mediated Direct Synthesis of Sulfinic Esters from Sulfonyl Hydrazides under Transition-Metal-Free Conditions

Zhang, Guofu,Fan, Qiankun,Wang, Huimin,Zhao, Yiyong,Ding, Chengrong

, p. 833 - 837 (2020/12/07)

We have developed a protocol for the NaHSO3-promoted esterification of sulfonyl hydrazides with alcohols for the synthesis of sulfinic esters. Various sulfonyl hydrazides could be converted to the corresponding sulfinic esters in good to high yields. The merits of this protocol include mild transition-metal-free reaction conditions, an inexpensive and available reagent, and operational simplicity. Controlled experiments reveal that this transformation probably undergoes via a radical pathway. (Figure presented.).

A aryl sulfonic acid ester compound synthesis method (by machine translation)

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Paragraph 0024; 0046; 0047, (2019/06/12)

The invention relates to medicine, in the field of organic chemical and fine chemical industry, and in particular relates to a simple, highly efficient method for preparing aryl sulfonic acid ester compound. The method is to four fluoro boric acid aryl diazonium salt, double-(sulfur dioxide) - 1, 4 - diazabicyclo [2.2.2] octane adduct (DABSO) and alcohol as the raw material, the copper salt catalyst, under the presence of an oxidant, nitrogen protection, 50 - 100 °C heating under the reaction conditions, it took 10 - 15 hours synthetic aryl sulfonate. The reaction through simple after treatment can be a high yield a series of aryl sulfonic acid ester compound. On the benzene ring with various substituted aryl four fluoroborates, ordinary primary alcohol, secondary alcohol can be utilized as a reaction substrate, to obtain the corresponding asia sulfonic acid ester. (by machine translation)

The synthesis of sulfinylphthalimides and their reactions with some nucleophiles in dioxane

Bozkurt, Yasemin Soydas,Kutuk, Halil

, p. 2250 - 2257 (2012/03/27)

In this study, some N-(p-substituted-arylsulfinyl)phthalimides (1a-1e) were synthesized. The synthesized compounds were examined with respect to their substitution reactions with sodium ethoxide, sodium methoxide, methylamine, and t-butylamine in dioxane.

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