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61243-00-3

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61243-00-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61243-00-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,2,4 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 61243-00:
(7*6)+(6*1)+(5*2)+(4*4)+(3*3)+(2*0)+(1*0)=83
83 % 10 = 3
So 61243-00-3 is a valid CAS Registry Number.

61243-00-3Downstream Products

61243-00-3Relevant articles and documents

Total synthesis of the postulated structure of fulicineroside

Bartholom?us, Ruben,Dommershausen, Fabian,Thiele, Markus,Karanjule, Narayan S.,Harms, Klaus,Koert, Ulrich

supporting information, p. 7423 - 7436 (2013/06/27)

A total synthesis of the proposed structures of fulicineroside and its aglycone fulicinerine is reported. The tetrasubstituted dibenzofuran substructure was accessible either through a Pd-mediated ortho-metalation or by an Ir-catalyzed meta-borylation. The synthesis of the β,β,α- linked trisaccharide consisting of D-olivose, L-rhodinose, and L-rhamnose was challenged by the unprecedented β-linked rhodinose. A Pd-catalyzed β-selective glycosylation of a 4-epi-rhodinose and a subsequent Mitsunobu inversion provided selectively the β-linked L-rhodinose-L-rhamnose disaccharide. Comparison with the reported data for the natural product and the aglycone suggests a misassignment of the structure of the natural product. Natural product reassignment: Total synthesis of the proposed structures for fulicineroside and its aglycone fulicinerine has been achieved (see figure). Key issues were the tetrasubstituted dibenzofuran and the trisaccharide with its β-linkage between L-rhodinose and L-rhamnose. A comparison with the reported data for the natural product and the aglycone suggests a misassignment of the structure of the natural product. Copyright

SYNTHESIS OF (L)-DAUNOSAMINE AND RELATED AMINO SUGARS

Sammes, Peter G.,Thetford, Dean

, p. 111 - 124 (2007/10/02)

1-(2-Furyl)ethanol (6) has been converted into methyl (+/-)-daunosaminide (1) and methyl (+/-)-ristosaminide (3) by use of an intramolecular cyclisation of a trichloroacetimidate group. (+/-)-Daunosamine (1) has been obtained more directly from the alcohol (10) by use of a modified Mitsunobu reaction; the scope of the latter reaction has been explored using cyclohex-2-en-1-ol as a model substrate.Asymmetric reduction of 2-acetylfuran (5) has given (S)-1-(2-furyl)ethanol (46) in good enantiomeric excess, thus providing a short route to the L-enantiomers of the amino sugars (1), (2), and (3) from a cheap, non-carbohydrate precursor.

AN APPLICATION OF THE PALLADIUM-CATALYZED, ALLYLIC AMINATION OF UNSATURATED SUGARS: A NEW SYNTHESIS OF D-FOROSAMINE

Baer, Hans H.,Hanna, Zaher S.

, p. 43 - 56 (2007/10/02)

Methyl 4-O-benzoyl-6-bromo-6-deoxy-α-D-glucopyranoside, obtainable from methyl 4,6-O-benzylidene-α-D-glucopyranoside (1), was converted into the 2,3-unsaturated 4-benzoate (3) by application of the triiodoimidazole method.Debenzoylation of 3, followed by

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