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(3aR,5S,7aR,8R,8aR)-8-Hydroxy-2,2,7a-trimethyl-5-phenyl-hexahydro-1,3,7-trioxa-4a-aza-s-indacen-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

203783-03-3

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203783-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203783-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,7,8 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 203783-03:
(8*2)+(7*0)+(6*3)+(5*7)+(4*8)+(3*3)+(2*0)+(1*3)=113
113 % 10 = 3
So 203783-03-3 is a valid CAS Registry Number.

203783-03-3Relevant academic research and scientific papers

Asymmetric routes to azasugars from chiral bicyclic lactams. Synthesis of 1,4-dideoxy-1,4-imino-d-lyxitol; L-Deoxymannojirimycin; rhammo-1- Deoxynojirimycin and 1-deoxy-6-epicastanospermine

Meyers,Andres, Charles J.,Resek, James E.,Woodall, Charlotte C.,McLaughlin, Maureen A.,Lee, Peter H.,Price, David A.

, p. 8931 - 8952 (2007/10/03)

Summary: By employing the appropriate chiral bicyclic lactams, the asymmetric total synthesis of four enantiopure azasugars mentioned in the title were successfully achieved. A series of diastereoselective oxidations (OsO4/NMO) followed by diastereoselective reductions (BH3, 9-BBN) gave good yields of the trisubstituted (16) and tetrasubstituted (2,3,4) pyrrolidine and piperidines respectively.

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