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487003-20-3

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487003-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 487003-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,7,0,0 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 487003-20:
(8*4)+(7*8)+(6*7)+(5*0)+(4*0)+(3*3)+(2*2)+(1*0)=143
143 % 10 = 3
So 487003-20-3 is a valid CAS Registry Number.

487003-20-3Relevant articles and documents

Carbene-Catalyzed Enantioselective Aromatic N-Nucleophilic Addition of Heteroarenes to Ketones

Liu, Yonggui,Luo, Guoyong,Yang, Xing,Jiang, Shichun,Xue, Wei,Chi, Yonggui Robin,Jin, Zhichao

supporting information, p. 442 - 448 (2019/11/25)

The aromatic nitrogen atoms of heteroarylaldehydes are activated by carbene catalysts to react with ketone electrophiles. Multi-functionalized cyclic N,O-acetal products are afforded in good to excellent yields and optical purities. Our reaction involves the formation of an unprecedented aza-fulvene-type acylazolium intermediate. A broad range of N-heteroaromatic aldehydes and electron-deficient ketone substrates works effectively in this transformation. Several of the chiral N,O-acetal products afforded through this protocol exhibit excellent antibacterial activities against Ralstonia solanacearum (Rs) and are valuable in the development of novel agrichemicals for plant protection.

Divergent and Orthogonal Approach to Carbazoles and Pyridoindoles from Oxindoles via Indole Intermediates

Mandal, Tirtha,Chakraborti, Gargi,Karmakar, Shilpi,Dash, Jyotirmayee

, p. 4759 - 4763 (2018/08/24)

The previously unexplored Grignard addition to oxindoles provides a regiospecific approach to 2- and 2,3-disubstituted indole derivatives in high yields via a one-pot aromatization driven dehydration pathway. This method allows a convenient preparation of diallyl indoles that are used as ring-closing metathesis (RCM) precursors for the orthogonal synthesis of pyrido[1,2-a]indoles and carbazoles. The synthetic utility of this method is illustrated by the synthesis of a microtubulin inhibitor and naturally occurring carbazole alkaloids.

HYDRAZONE MODULATORS OF CANNABINOID RECEPTORS

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Page/Page column 77, (2009/03/07)

Hydrazone compounds which modulate cannabinoid receptors are presented. Pharmaceutical compositions containing these compounds, methods of using these compounds as modulators of cannabinoid receptors and processes for synthesizing these compounds are also described herein.

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