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1,6-Anhydro-4-deoxy-2-O-p-toluenesulphonyl-β-D-xylo-hexopyranose is a derivative of a 1,6-anhydrosugar, specifically modified by the removal of a hydroxyl group at the 4-position (4-deoxy) and the introduction of a p-toluenesulphonyl (tosyl) group at the 2-position. It serves as a key intermediate in the synthesis of 4-deoxyhexoses and their derivatives, as demonstrated by its preparation through hydrogenolysis of the corresponding 4-iodo precursor. 1,6-anhydro-4-deoxy-2-O-p-toluenesulphonyl-β-D-xylo-hexopyranose is structurally related to the β-D-xylo configuration and is useful in carbohydrate chemistry for further functionalization or as a precursor to labeled analogs, such as deuterated forms.

23643-30-3

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23643-30-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23643-30-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,4 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 23643-30:
(7*2)+(6*3)+(5*6)+(4*4)+(3*3)+(2*3)+(1*0)=93
93 % 10 = 3
So 23643-30-3 is a valid CAS Registry Number.

23643-30-3Relevant academic research and scientific papers

Two unusual carbohydrate reactions: Nucleophilic ring opening of an anhydrosugar and reductive elimination with co-occurring hydrogenation

Krohn, Karsten,Ahmed, Ishtiaq,Al Sahli, Mohammed

, p. 379 - 387 (2008)

Treatment of the 1,6-anhydrosugar epoxide 5 with a cyano-Gilman cuprate [(CuCN (6 eq.), MeLi (12 eq.)] surprisingly led to the open chain rearranged (2S,3R)-1,2-dihydroxy-3,6-dimethylheptan-4-one (7), structurally confirmed by conversion to the correspond

Improved preparation of 1,6-anhydro-4-deoxy-2-O-p-toluenesulphonyl-β-D-xylo-hexopyranose and of its D-[4-2H]gluco-analogue from 1,6:3,4-dianhydro-2-O-p-toluenesulphonyl-β-D-galactopyranose

Trnka,Budesinsky,Cerny

, p. 131 - 134 (1994)

Presented is an alternative method in preparation of 4-deoxyhexoses and derivatives. This involves the hydrogenolysis of 1,6-anhydro-4- deoxy-4-iodo-2-O-p- toluenesulphonyl-β-D- glucopyranose. The present method is very convenient for the preparation of d

PREPARATION OF 2-AMINO-2,4-DIDEOXY-D-lyxo-HEXOPYRANOSE (4-DEOXY-D-MANNOSAMINE) FROM 1,6-ANHYDRO-β-D-GLUCOPYRANOSE

Cerny, Ivan,Trnka, Tomas,Cerny, Miloslav

, p. 2386 - 2394 (2007/10/02)

1,6-Anhydro-4-deoxy-2-O-p-toluenesulfonyl-β-D-xylo-hexopyranose (III), obtainable by a four-step synthesis from 1,6-anhydro-β-D-glucopyranose, was converted to 3-O-(N-benzylcarbamoyl) derivative V on reaction with benzyl isocyanate.The cyclization of V wi

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