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3-Buten-2-one, 3-methyl-4-nitro- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

155990-64-0

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155990-64-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155990-64-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,9,9 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 155990-64:
(8*1)+(7*5)+(6*5)+(5*9)+(4*9)+(3*0)+(2*6)+(1*4)=170
170 % 10 = 0
So 155990-64-0 is a valid CAS Registry Number.

155990-64-0Relevant articles and documents

Concerning the diastereofacial selectivity of the reaction of (E)-β- nitroenones with ketone enolates

Ahrach, Mohammed,Schneider, Raphael,Gerardin, Philippe,Loubinoux, Bernard

, p. 15215 - 15226 (2007/10/03)

Stereoselectivity of the reaction of acyclic ketone enolates with (E)- β-nitroenones was investigated according to the nature of the base used to accomplish deprotonation. The stereoselectivity and the regioselectivity of the reaction of ketone enolates with (E)-β-nitroenones could be enhanced by the use of trichlorotitanium enolates, which allowed the formation of diastereomeric mixture of (E)-3-hydroxy-5-nitroalk-4-enones 3 where the amount of product of (l) configuration is increased compared to results obtained with lithium enolates.

A new approach to β-nitroenones. The first preparation of acyclic β-nitroenones

Schneider,Gerardin,Loubinoux

, p. 3117 - 3124 (2007/10/02)

We describe here a new and mild method of synthesis of acyclic β-nitroenones. Nitroepoxydes IV, prepared by epoxydation of the allylic nitroolefins III, react with silicagel or aluminium isopropoxide according to the substrate, to give the nitroethylenic alcohols V. Their oxydation by PCC under sonication leads to the β-nitroenones VI.

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