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322400-14-6

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322400-14-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 322400-14-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,2,4,0 and 0 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 322400-14:
(8*3)+(7*2)+(6*2)+(5*4)+(4*0)+(3*0)+(2*1)+(1*4)=76
76 % 10 = 6
So 322400-14-6 is a valid CAS Registry Number.

322400-14-6Relevant articles and documents

Diastereoselective synthesis of 2,5-disubstituted tetrahydrofuran derivatives

Pilli, Ronaldo A.,Riatto, Valeria B.

, p. 3675 - 3686 (2000)

5-Substituted lactol 1 was converted to 2,5-disubstituted tetrahydrofuran derivatives by a Lewis acid-promoted reaction with allylsilanes. High trans selectivity (12:1) was obtained when hindered allylsilane 8 was employed. 5-Substituted lactol 16 was transformed into 2,5-cis-disubstituted tetrahydrofuran 17b (6:1 ratio) by a TiCl4-promoted intramolecular allyl transfer process. Additionally, 2,5-cis-disubstituted tetrahydrofuran derivatives were obtained in good yields and diastereoselectivities after alkyllithium addition to lactone 6, followed by Et3SiH/BF3.OEt2 reduction of the corresponding hemiketals. Copyright (C) 2000 Elsevier Science Ltd.

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