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1430587-89-5

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1430587-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1430587-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,0,5,8 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1430587-89:
(9*1)+(8*4)+(7*3)+(6*0)+(5*5)+(4*8)+(3*7)+(2*8)+(1*9)=165
165 % 10 = 5
So 1430587-89-5 is a valid CAS Registry Number.

1430587-89-5Upstream product

1430587-89-5Relevant articles and documents

Total synthesis of d-fagomine and 6-deoxyfagomine

Min, Im Sook,Kim, Seung In,Hong, Seungmin,Kim, In Su,Jung, Young Hoon

, p. 3901 - 3906 (2013/06/27)

Total synthesis of d-fagomine and 6-deoxyfagomine from readily available d-lyxose is described. The key steps included regioselective and diastereoselective amination, hydroboration-oxidation, and Appel reaction. The reaction of 3,4-anti-tribenzyl ether with chlorosulfonyl isocyanate in toluene at 0 °C afforded 3,4-anti-amino alcohol, an essential compound for the preparation of d-fagomine and 6-deoxyfagomine, with a high diastereoselectivity (dr=26:1) in 74% yield. The origin of diastereoselectivity can be explained by the neighboring group effect, which leads to retention of the stereochemistry.

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