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98055-06-2

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98055-06-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98055-06-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,5 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98055-06:
(7*9)+(6*8)+(5*0)+(4*5)+(3*5)+(2*0)+(1*6)=152
152 % 10 = 2
So 98055-06-2 is a valid CAS Registry Number.

98055-06-2Relevant articles and documents

Modular counter-Fischer?indole synthesis through radical-enolate coupling

Chung, Hyunho,Kim, Jeongyun,Gonzalez-Montiel, Gisela A.,Cheong, Paul Ha-Yeon,Lee, Hong Geun

supporting information, p. 1096 - 1102 (2021/01/26)

A single-electron transfer mediated modular indole formation reaction from a 2-iodoaniline derivative and a ketone has been developed. This transition-metal-free reaction shows a broad substrate scope and unconventional regioselectivity trends. Moreover, important functional groups for further transformation are tolerated under the reaction conditions. Density functional theory studies reveal that the reaction proceeds by metal coordination, which converts a disfavored 5-endo-trig cyclization to an accessible 7-endo-trig process.

Au-catalyzed synthesis of 2-alkylindoles from N-arylhydroxylamines and terminal alkynes

Wang, Yanzhao,Ye, Longwu,Zhang, Liming

supporting information; experimental part, p. 7815 - 7817 (2011/08/06)

The first gold-catalyzed addition of N-arylhydroxylamines to aliphatic terminal alkynes is developed to access O-alkenyl-N-arylhydroxylamines, which undergo facile in situ sequential 3,3-rearrangements and cyclodehydrations to afford 2-alkylindoles with regiospecificity and under exceptionally mild reaction conditions.

Palladium(ii)-catalyzed regioselective direct c2 alkenylation of indoles and pyrroles assisted by the n-(2-pyridyl)sulfonyl protecting group

Garcia-Rubia, Alfonso,Arrayas, Ramon Gomez,Carretero, Juan C.

supporting information; experimental part, p. 6511 - 6515 (2009/12/06)

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