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1205537-80-9

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1205537-80-9 Usage

General Description

(R)-3,3'-bis(4-tert-butylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl-2,2'-diol is a chemical compound used for its chiral properties in various chemical and pharmaceutical applications. It is a derivative of 1,1'-binaphthyl, a well-known chiral scaffold used in asymmetric synthesis. (R)-3,3'-bis(4-tert-butylphenyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl-2,2'-diol is used as a chiral ligand in asymmetric catalysis, where it can selectively control the stereochemistry of certain chemical reactions. Its unique structure and properties make it a valuable tool for controlling chirality in organic synthesis, particularly in the production of pharmaceuticals and other fine chemicals. Additionally, it has been studied for its potential use in applications such as chiral separation and molecular recognition.

Check Digit Verification of cas no

The CAS Registry Mumber 1205537-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,5,5,3 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1205537-80:
(9*1)+(8*2)+(7*0)+(6*5)+(5*5)+(4*3)+(3*7)+(2*8)+(1*0)=129
129 % 10 = 9
So 1205537-80-9 is a valid CAS Registry Number.

1205537-80-9Downstream Products

1205537-80-9Relevant articles and documents

Synthesis and structural aspects of N-triflylphosphoramides and their calcium salts'highly acidic and effective Bronsted acids

Rueping, Magnus,Nachtsheim, Boris J.,Koenigs, Rene M.,Ieawsuwan, Winai

experimental part, p. 13116 - 13126 (2011/02/24)

Recently, 1,1′-bi-2-naphthol (BINOL)-based N-triflylphosphoramides emerged as a new class of potent Bronsted acid catalysts. In this paper we describe the efficient synthesis of various BINOL-based N- triflylphosphoramides and their calcium salts. Furthermore, X-ray crystal structure analysis combined with energy-dispersive X-ray spectroscopy (EDX) measurements confirmed that the synthesised chiral N-triflylphosphoramides are highly acidic metal-free catalysts. Freedom! The synthesis and structure determination of various 1,1′-bi-2-naphthol (BINOL)-based N-triflylphosphoramides and their corresponding calcium salts is presented. A simple acidic treatment of the calcium salts provides the metal-free Bronsted acids (see scheme; Tf=trifluoromethanesulfonyl).

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