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5-hydroxybenzyl-5-methoxy-4-(pyrrolidin-1-yl)furan-2(5H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

134295-09-3

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134295-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134295-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,9 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134295-09:
(8*1)+(7*3)+(6*4)+(5*2)+(4*9)+(3*5)+(2*0)+(1*9)=123
123 % 10 = 3
So 134295-09-3 is a valid CAS Registry Number.

134295-09-3Downstream Products

134295-09-3Relevant articles and documents

Pseudoesters and derivatives. XXX. Synthesis of 5-substituted furan-2(5H)-ones by the regiospecific reaction of anions of enaminofuranones with electrophiles

De Ancos, Begona,Farin, Francisco,Maestro, M. Carmen,Martin, M. Rosario,Vicioso, M. Mercedes

, p. 3171 - 3182 (1991)

Reactions of lithium enolates 2a,b derived from 5-methoxy(or 5-ethylthio)-4-(pyrrolidin-1-yl)- furan-2(5H)-ones (1a,b) with various electrophiles, such as alkylating agents, aldehydes, phenyl isocyanate, acyl chlorides, and trimethylsilyl chloride, occur regiospecifically to give the corresponding 5-substituted derivatives in synthetically useful yields.

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