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(1S,3S,6S,7S,8R)-7-acetoxy-6-(4-methoxybenzyl)-3-[N-methyl-N-(4-methylphenyl)sulfonylamino]-5-azatricyclo[6.3.1.01,5]dodecan-4,9-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

333999-58-9

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333999-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 333999-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,9,9 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 333999-58:
(8*3)+(7*3)+(6*3)+(5*9)+(4*9)+(3*9)+(2*5)+(1*8)=189
189 % 10 = 9
So 333999-58-9 is a valid CAS Registry Number.

333999-58-9Relevant articles and documents

Synthetic ventures inspired by biosynthetic hypotheses: the evolution of a method for the oxidative amidation of phenols

Ciufolini, Marco A.,Canesi, Sylvain,Ousmer, Malika,Braun, Norbert A.

, p. 5318 - 5337 (2007/10/03)

We describe the development of a technique for the oxidative conversion of 4-alkyl phenols to derivatives of the corresponding 4-alkyl-4-amino-2,5-cyclohexanediones. This transformation, which was inspired by biogenetic considerations, constitutes a key s

Total synthesis of tricyclic azaspirane derivatives of tyrosine: FR901483 and TAN1251C

Ousmer,Braun,Bavoux,Perrin,Ciufolini

, p. 7534 - 7538 (2007/10/03)

A solution to the long-standing problem presented by the oxidative cyclization of a phenolic 3-arylpropionamide to a spirolactam has been developed in this laboratory via oxazoline chemistry. This research was motivated by our interest in some novel tricyclic azaspirane natural products formally derived from tyrosine, such as FR901483 and TAN1251C. In this paper, we disclose full details of the total synthesis of these substances.

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