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78172-92-6

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78172-92-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78172-92-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,7 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78172-92:
(7*7)+(6*8)+(5*1)+(4*7)+(3*2)+(2*9)+(1*2)=156
156 % 10 = 6
So 78172-92-6 is a valid CAS Registry Number.

78172-92-6Downstream Products

78172-92-6Relevant articles and documents

One-Pot Synthesis of α-Branched N-Acylamines via Titanium-Mediated Condensation of Amides, Aldehydes, and Organometallics

Dai, Chunhui,Genovino, Julien,Bechle, Bruce M.,Corbett, Matthew S.,Huh, Chan Woo,Rose, Colin R.,Sun, Jianmin,Warmus, Joseph S.,Blakemore, David C.

supporting information, p. 1064 - 1067 (2017/03/15)

A three-component, titanium-mediated synthesis of α-branched N-acylamines from commercial or readily accessible amides, aldehydes, and organometallic reagents is reported. The transformation proceeds under mild reaction conditions and tolerates a variety of functional groups (including nitrile, carbamate, olefin, basic amine, furan, and other sensitive heteroaromatics) to generate a large umbrella of α-branched N-acylamine products in high yields. The operationally practical procedure enables the use of this method in parallel chemical synthesis, a valuable feature that can facilitate the screening of bioactive molecules by medicinal chemists.

Oxidative nucleophilic substitution: Transformation of alkylboronic derivatives

Cazorla, Clément,Métay, Estelle,Lemaire, Marc

, p. 8615 - 8621 (2011/11/30)

An efficient amidation reaction is described in this paper. Potassium alkyltrifluoroborate salts can be transforming to amides from nitriles in the presence of copper acetate and boron trifluoride. An extension of this reaction allowed the formation of amines, ethers, and C-C bond.

A CONVENIENT METHOD FOR THE SYNTHESIS OF CARBOXAMIDES AND PEPTIDES BY THE USE OF TETRABUTYLAMMONIUM SALTS

Watanabe, Yutaka,Mukaiyama, Teruaki

, p. 285 - 288 (2007/10/02)

Various carboxamides and peptides are prepared in good yields by treatment of free acids and amines in H2O-dichloromethane or aqueous THF with bis(o-nitrophenyl) phenylphosphonate in the presence of tetrabutylammonium hydrogen sulfate or bromide.Carboxylic esters are also successfully converted to amides via carboxylate salts in one-pot.

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