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66618-80-2

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66618-80-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66618-80-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,1 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66618-80:
(7*6)+(6*6)+(5*6)+(4*1)+(3*8)+(2*8)+(1*0)=152
152 % 10 = 2
So 66618-80-2 is a valid CAS Registry Number.

66618-80-2Relevant articles and documents

Preparation of diverse BODIPY diesters

Abeywardana, Sewwandi,Cantu, Annabelle L.,Nedic, Teodora,Schramm, Michael P.

, p. 3393 - 3396 (2018/08/17)

The synthesis and properties of a variety of substituted BODIPY diesters is presented. We find that certain substitution patterns afford appreciable yields of the target compounds and that electronic effects result in predicable differential fluorescent behavior. Challenges to further water solubilize these dyes and/or provide new points of attachment for biological tagging remain, these strategies are discussed.

ACID SECRETION INHIBITOR

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Page/Page column 47, (2009/01/24)

The present invention provides a compound having a superior acid secretion inhibitory action, an antiulcer activity and the like. A proton pump inhibitor containing a compound represented by the formula (I) wherein ring A is a saturated or unsaturated 5- or 6-membered ring group optionally having, as a ring-constituting atom besides carbon atom, 1 to 4 hetero atoms selected from a nitrogen atom, an oxygen atom and a sulfur atom, ring-constituting atoms X1 and X2 are each a carbon atom or a nitrogen atom, a ring-constituting atom X3 is a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom, R1 is an optionally substituted aryl group or an optionally substituted heteroaryl group, R2 is an optionally substituted alkyl group, an optionally substituted aryl group or an optionally substituted heteroaryl group, R3 is an aminomethyl group optionally substituted by 1 or 2 lower alkyl groups, which is a substituent on a ring-constituting atom other than X1, X2 and X3, and ring A optionally further has substituent(s) selected from a lower alkyl group, a halogen atom, a cyano group and an oxo group, or a salt thereof or a prodrug thereof.

Inter- and Intramolecular Cycloadditions of Nitroalkenes with Olefins. 2-Nitrostyrenes

Denmark, Scott E.,Kesler, Brenda S.,Moon, Young-Choon

, p. 4912 - 4924 (2007/10/02)

Aromatic nitroalkenes 9 - 12 underwent Lewis acid catalyzed cycloadditions with various cyclic alkenes to afford high yields of nitronates 25 - 30 with exclusive anti selectivity.Hammett studies helped to further delineate the role of the Lewis acid.Reaction of nitroalkenes 8 and 10 with various cyclic dienes in the presence of a Lewis acid demonstrated the ability of nitroalkenes to behave as dienes in cycloadditions.The major products were the syn diastereomers which arise from an endo-folded transition structure.Finally, intramolecular cycloaddition of 36 - 39 allowed a correlation between the stereochemical course of the reaction and positions of sp2 centers in the tether to be addressed.

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