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4622-38-2

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4622-38-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4622-38-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,2 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4622-38:
(6*4)+(5*6)+(4*2)+(3*2)+(2*3)+(1*8)=82
82 % 10 = 2
So 4622-38-2 is a valid CAS Registry Number.

4622-38-2Relevant articles and documents

Development of the "diverted Heck" Reaction for the Synthesis of Five-Membered Rings

Breitwieser, Kevin,Chen, Peter

supporting information, p. 776 - 782 (2021/04/06)

The "diverted Heck"reaction has been shown to be a potent method to synthesize cyclopropanes from electron-rich olefins and iodomethyl trifluoroborate. Nevertheless, it is not mechanistically limited to the three-membered rings. The synthesis of five-memb

Synthesis and evaluation of colletoic acid core derivatives

Ling, Taotao,Gautam, Lekh Nath,Griffith, Elizabeth,Das, Sourav,Lang, Walter,Shadrick, William R.,Shelat, Anang,Lee, Richard,Rivas, Fatima

supporting information, p. 126 - 132 (2016/02/05)

Cortisol homeostasis has been linked to the pathogenesis of metabolic syndrome (MetS), since it stimulates hepatic gluconeogenesis and adipogenesis. MetS is classified as a constellation of health conditions that increase the risk of type 2 diabetes and cardiovascular disease. Intracellular cortisol levels are regulated by 11β-hydroxysteroid dehydrogenase (type 1 and type 2) in a tissue dependent manner. The type 1 enzyme (11β-HSD1) is widely expressed in glucocorticoid targeted tissues and is responsible for the conversion of cortisone to the active cortisol. Local reduction of cortisol regeneration presents a potential strategy for MetS treatment. Recently we disclosed the total synthesis of (+)-colletoic acid as a potent 11β-HSD1 inhibitor. Herein, we describe our improved processing chemistry for the synthesis of the colletoic acid core to access a diverse number of derivatives for evaluation against 11β-HSD1. The Evan's chiral auxiliary was utilized to construct the acyclic precursor 12 to afford the acorane core 9 using a modified Heck reaction in excellent chemical yields. The colletoic acid core derivatives showed modest activity against 11β-HSD1 and will serve for further biological evaluation.

Synthetic applications of aryl radical building blocks for cyclisation onto azoles

Allin, Steven M.,Bowman, W. Russell,Elsegood, Mark R.J.,McKee, Vickie,Karim, Rehana,Rahman, Shahzad S.

, p. 2689 - 2696 (2007/10/03)

2-(2-Bromophenyl)ethyl groups have been used as building blocks in radical cyclisation reactions onto azoles to synthesise tri- and tetra-cyclic heterocycles. 2-(2-Bromophenyl)ethyl methanesulfonate was used to alkylate azoles (imidazoles, pyrroles, indol

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