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827-46-3

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827-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 827-46-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,2 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 827-46:
(5*8)+(4*2)+(3*7)+(2*4)+(1*6)=83
83 % 10 = 3
So 827-46-3 is a valid CAS Registry Number.

827-46-3Relevant articles and documents

Enantioselective Construction of Spiro[chroman-thiazolones]: Bifunctional Phosphonium Salt-Catalyzed [2+4] Annulation between 5-Alkenyl Thiazolones and ortho-Hydroxyphenyl-Substituted para-Quinone Methides

Tan, Jian-Ping,Zhang, Hongkui,Jiang, Zhiyu,Chen, Yuan,Ren, Xiaoyu,Jiang, Chunhui,Wang, Tianli

supporting information, p. 1058 - 1063 (2020/01/02)

The enantioselective formal [2+4] annulation of 5-alkenyl thiazolones with hydroxyl-substituted para-quinone methides was disclosed by dipeptide-based phosphonium salt catalysts. A wide range of functionalized spiro-chroman-thiazolone molecules bearing three contiguous 3° and/or 4° stereocenters were readily constructed in high yields with excellent stereoselectivities (>20:1 dr and up to >99.9% ee) under low catalyst loading and mild reaction conditions. The practicality and utility of this protocol were demonstrated by the scaled-up preparation and elaborations of product. (Figure presented.).

Thiazolo [2,3-b] oxazolone compound and preparation method and application thereof

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Paragraph 0084-0086, (2019/12/10)

The invention provides a compound shown in a formula I, or a salt thereof, or a stereoisomer thereof; R1 is selected from 3 and 8-element unsaturated cycloalkyl and 3 and 8-element unsaturated heterocyclic group; R2 is selected from hydrogen, C1-C8 alkyl

Crystal form of dihydropyranothiazole compound and preparation method thereof

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Paragraph 0024-0025, (2018/04/03)

The invention provides a crystal form I of a compound shown by formula (A). The crystal form I is characterized in that the crystal form is a triclinic system, wherein the space group is P1, and the cell parameters are shown in the description. The invent

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