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5,6-dimethoxy-1-(toluene-4-sulfonyl)-9-(triisopropylsilanyloxy)-2,3-dihydro-1H-azacyclohepta[a]acenaphthylene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

473840-73-2

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473840-73-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 473840-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,3,8,4 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 473840-73:
(8*4)+(7*7)+(6*3)+(5*8)+(4*4)+(3*0)+(2*7)+(1*3)=172
172 % 10 = 2
So 473840-73-2 is a valid CAS Registry Number.

473840-73-2Downstream Products

473840-73-2Relevant academic research and scientific papers

Total synthesis of the tropoloisoquinoline alkaloid pareitropone via alkynyliodonium salt chemistry and related studies.

Feldman, Ken S,Cutarelli, Timothy D,Di Florio, Romina

, p. 8528 - 8537 (2002)

The first chemical synthesis of pareitropone, by a route featuring application of alkynyliodonium salt chemistry, is described. The key transform initiates with addition of an alkylidenecarbene, derived by intramolecular nucleophile addition to the alkynyliodonium moiety, to a proximal aromatic ring. This addition delivers a highly strained norcaradiene substructure that rapidly reorganizes to furnish the pareitropone skeleton.

Alkynyliodonium salts in organic synthesis. Application to the total synthesis of the tropoloisoquinoline alkaloid pareitropone

Feldman, Ken S.,Cutarelli, Timothy D.

, p. 11600 - 11601 (2007/10/03)

The synthesis of the tropoloisoquinoline alkaloid pareitropone has been accomplished in 14 steps from 2,3,4-trimethoxybenzoic acid. The key transformations include the generation of an alkylidenecarbene intermediate through intramolecular addition of a to

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