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444711-08-4

acetic acid 4-acetoxy-2,3-dihydro-benzofuran-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

444711-08-4

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  • acetic acid 4-acetoxy-2,3-dihydro-benzofuran-3-yl ester

    Cas No: 444711-08-4

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444711-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 444711-08-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,7,1 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 444711-08:
(8*4)+(7*4)+(6*4)+(5*7)+(4*1)+(3*1)+(2*0)+(1*8)=134
134 % 10 = 4
So 444711-08-4 is a valid CAS Registry Number.

444711-08-4Relevant articles and documents

Synthesis of substituted 2,3-dihydrobenzofuran in a process involving a facile acyl migration

Li, Wen-Sen,Guo, Zhenrong,Thornton, John,Katipally, Kishta,Polniaszek, Richard,Thottathil, John,Vu, Truc,Wong, Michael

, p. 1923 - 1925 (2007/10/03)

Reduction of 2,6-diacetoxy-2′-bromoacetophenone (10) with NaBH4 led to 3,4-diacetoxydihydrobenzofuran (12) in a process involving acyl migration followed by cyclization. Subsequent hydrogenolysis gave 4-acetoxydihydrobenzofuran which, upon saponification, afforded 4-hydroxydihydrobenzofuran (8) in good yield. This approach is shown to be a general method for preparation of substituted dihydrobenzofurans.

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