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15222-36-3

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15222-36-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15222-36-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,2,2 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 15222-36:
(7*1)+(6*5)+(5*2)+(4*2)+(3*2)+(2*3)+(1*6)=73
73 % 10 = 3
So 15222-36-3 is a valid CAS Registry Number.

15222-36-3Relevant articles and documents

Green Access to α-Haloalkyl and α-Halobenzyl Esters, Versatile Intermediates for the One-Pot Two-Step Synthesis of O, O ′-Diacyl Acetals Using Zinc-Based Ionic Liquid Catalyst

Fache, Fabienne,De Azpiazu, Ignasi,Pelotier, Béatrice,Piva, Olivier,Gozzi, Christel

, p. 2430 - 2434 (2019/05/27)

α-Haloalkyl and α-halobenzyl esters have been synthesized using a zinc-based ionic liquid catalyst, BMIZnCl 3. These esters can then react with acids without intermediate purification to obtain mixed O, O ′-diacyl acetals in a one-pot process.

Zn(OTf)2.6H2O catalysed acylation of aldehydes: Preparation of 1,1-diacetates and α-chloroalkyl esters

Su, Weike,Can, Jin

, p. 88 - 90 (2007/10/03)

1,1-Diacetates (acylals) and α-chloroalkyl esters were prepared from carbonyl compounds with acylating reagents in the presence of 5% mol hexaaqua zinc triflate [Zn(OTf)2.6H2O] with good yields under mild reaction conditions.

N-heteroarylium Salts in Synthesis, 3 Intramolecular ortho-Acylation of Some N-Heteroaromatic Ring Systems

Anders, Ernst,Boldt, Hans Guenter,Clark, Timothy,Fuchs, Renate,Gassner, Thomas

, p. 279 - 296 (2007/10/02)

The title compounds 17 (prepared by methods A-C) have been reacted with sodium bis(trimethylsilyl)amide (18) in a heterogeneous mixture (-80 deg C, 2-60 h).The ortho-substituted N-heteroaromatic compounds 4 are isolated exclusively after an intramolecular and regiospecific reaction .This method represents the first widely applicable acylation technique for N-heteroaromatic compounds in which the incoming substituent (R1CO) functions as an internal electrophile and in which the formation of isomeric or polyacylated products has not yet been observed.Both experimental and theoretical (MNDO) investigations show that the substitution reaction (5) is primarily determined by the conformational and electronic properties of the deprotonation product 25 , which is formed preferentially.

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