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38930-22-2

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38930-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38930-22-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,9,3 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 38930-22:
(7*3)+(6*8)+(5*9)+(4*3)+(3*0)+(2*2)+(1*2)=132
132 % 10 = 2
So 38930-22-2 is a valid CAS Registry Number.

38930-22-2Relevant articles and documents

Pd-Catalyzed ipso, meta-Dimethylation of ortho-Substituted Iodoarenes via a Base-Controlled C-H Activation Cascade with Dimethyl Carbonate as the Methyl Source

Wu, Zhuo,Wei, Feng,Wan, Bin,Zhang, Yanghui

, p. 4524 - 4530 (2021/05/04)

A methyl group can have a profound impact on the pharmacological properties of organic molecules. Hence, developing methylation methods and methylating reagents is essential in medicinal chemistry. We report a palladium-catalyzed dimethylation reaction of ortho-substituted iodoarenes using dimethyl carbonate as a methyl source. In the presence of K2CO3 as a base, iodoarenes are dimethylated at the ipso- and meta-positions of the iodo group, which represents a novel strategy for meta-C-H methylation. With KOAc as the base, subsequent oxidative C(sp3)-H/C(sp3)-H coupling occurs; in this case, the overall transformation achieves triple C-H activation to form three new C-C bonds. These reactions allow expedient access to 2,6-dimethylated phenols, 2,3-dihydrobenzofurans, and indanes, which are ubiquitous structural motifs and essential synthetic intermediates of biologically and pharmacologically active compounds.

Structure-activity relationship of small-sized HIV protease inhibitors containing allophenylnorstatine

Mimoto, Tsutomu,Kato, Ryohei,Takaku, Haruo,Nojima, Satoshi,Terashima, Keisuke,Misawa, Satoru,Fukazawa, Tominaga,Ueno, Takamasa,Sato, Hideharu,Shintani, Makoto,Kiso, Yoshiaki,Hayashi, Hideya

, p. 1789 - 1802 (2007/10/03)

We designed and synthesized a new class of peptidomimetic human immunodeficiency virus (HIV) protease inhibitors containing a unique unnatural amino acid, allophenylnorstatine [Apns; (2S,3S)-3-amino-2-hydroxy- 4-phenylbutyric acid], with a hydroxymethylcarbonyl (HMC) isostere as the active moiety. A systematic evaluation of structure - activity relationships for HIV protease inhibition, anti-HIV activities, and pharmacokinetic profiles has led to the delineation of a set of structural characteristics that appear to afford an orally available HIV protease inhibitor. Optimum structures, exemplified by 21f (JE-2147), incorporated 3-hydroxy-2- methylbenzoyl groups as the P2 ligand, (R)-5,5-dimethyl-1,3-thiazolidine-4- carbonyl (Dmt) residue at the P1' site, and 2-methylbenzylcarboxamide group as the P2' ligand. The present study demonstrated that JE-2147 has potent antiviral activities in vitro and exhibits good oral bioavailability and plasma pharmacokinetic profiles in two species of laboratory animals.

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