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(E)-1-(benzyloxy)-2-(5-(benzyloxy)pent-2-enyl)benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1393809-09-0

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1393809-09-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1393809-09-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,8,0 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1393809-09:
(9*1)+(8*3)+(7*9)+(6*3)+(5*8)+(4*0)+(3*9)+(2*0)+(1*9)=190
190 % 10 = 0
So 1393809-09-0 is a valid CAS Registry Number.

1393809-09-0Relevant articles and documents

The stereoselective synthesis of cis-/trans-fused hexahydropyrano[4,3-b] chromenes via Prins cyclization trapping by a tethered nucleophile

Subba Reddy,Jalal, Sayed,Borkar, Prashant,Yadav,Reddy,Kunwar,Sridhar

supporting information; experimental part, p. 6562 - 6568 (2012/09/08)

A novel intramolecular Prins cyclization of (Z)-2-(5-hydroxypent-2-enyl) phenol with various aldehydes has been achieved using 10 mol% In(OTf) 3 and 30 mol% TsOH to produce the cis-fused hexahydropyrano[4,3-b] chromene derivatives in good yields, while the coupling of (E)-2-(5-hydroxypent- 2-enyl)phenol with aldehydes under similar conditions affords the corresponding trans-fused hexahydropyrano[4,3-b]chromene derivatives.

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