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17540-15-7

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17540-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17540-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,4 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17540-15:
(7*1)+(6*7)+(5*5)+(4*4)+(3*0)+(2*1)+(1*5)=97
97 % 10 = 7
So 17540-15-7 is a valid CAS Registry Number.

17540-15-7Relevant articles and documents

Photo-Induced Dihydroxylation of Alkenes with Diacetyl, Oxygen, and Water

Masuda, Yusuke,Ikeshita, Daichi,Murakami, Masahiro

, (2021/02/09)

Herein reported is a photo-induced production of vicinal diols from alkenes under mild reaction conditions. The present dihydroxylation method using diacetyl (= butane-2,3-dione), oxygen, and water dispenses with toxic reagents and intractable waste generation.

Enantioselective Dihydroxylation of Alkenes Catalyzed by 1,4-Bis(9-O-dihydroquinidinyl)phthalazine-Modified Binaphthyl–Osmium Nanoparticles

Zhu, Jie,Sun, Xiao-Tao,Wang, Xiao-Dong,Wu, Lei

, p. 1788 - 1792 (2018/04/30)

A series of unprecedented binaphthyl–osmium nanoparticles (OsNPs) with chiral modifiers were applied in the heterogeneous asymmetric dihydroxylation of alkenes. A remarkable size effect of the OsNPs, depending on the density of the covalent organic shells, on the reactivity and enantioselectivity of the dihydroxylation reaction was revealed. Successful recycling of the OsNPs was also demonstrated and high reaction efficiency and enantioselectivity were maintained.

Green Organocatalytic Dihydroxylation of Alkenes

Theodorou, Alexis,Triandafillidi, Ierasia,Kokotos, Christoforos G.

, p. 1502 - 1509 (2017/04/01)

An inexpensive, green, metal-free one-pot procedure for the dihydroxylation of alkenes is described. H2O2 and 2,2,2-trifluoroacetophenone were employed as the oxidant and organocatalyst, respectively, in this highly sustainable protocol in which a variety of homoallylic alcohols, aminoalkenes, and simple alkenes were converted into the corresponding polyalcohols in good to excellent yields. This process takes advantage of an epoxidation reaction followed by an acidic treatment in which water participates in the ring opening of the in situ prepared epoxide to lead to the desired product.

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