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503302-93-0

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503302-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503302-93-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,3,0 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 503302-93:
(8*5)+(7*0)+(6*3)+(5*3)+(4*0)+(3*2)+(2*9)+(1*3)=100
100 % 10 = 0
So 503302-93-0 is a valid CAS Registry Number.

503302-93-0Downstream Products

503302-93-0Relevant articles and documents

Diethylaluminum iodide promoted Morita-Baylis-Hillman reaction of D -glucose-derived densely O-functionalized cyclopentenone: Route to α-C-branched densely functionalized cyclic enones

Ghosal, Partha,Ajay, Sama,Bajpai, Vikas,Kumar, Brijesh,Shaw, Arun K.

, p. 4906 - 4909 (2012)

Morita-Baylis-Hillman (MBH) reaction of D-glucose-derived highly O-functionalized cyclopentenone is described for the first time. The MBH reaction of cyclopentenone with different aldehydes in the presence of diethylaluminum iodide proceeded smoothly in moderate to good yields. Promoters such as organic, inorganic, or Lewis bases and an aqueous medium are not suitable conditions for the MBH reaction of highly O-functionalized cyclopentenones with aldehydes. Morita-Baylis-Hillman (MBH) reaction of carbohydrate derived highly O-functionalized cyclopentenone is described for the first time. The MBH reaction of cyclopentenone 2 with different aldehydes in the presence of diethylaluminum iodide (Et2AlI) proceeded smoothly in moderate to good yields. Copyright

Aflexible synthesis of cyclopentitol derivatives based on ring-closing metathesis of carbohydrate-derived 1,6-dienes

Ovaa, Huib,Lastdrager, Bas,Codee, Jeroen D. C.,Van der Marel, Gijs A.,Overkleeft, Herman S.,Van Boom, Jacques H.

, p. 2370 - 2377 (2007/10/03)

Four partially protected stereoisomeric cyclopentenetriols 5, 10, 15 and 21 have been prepared by ring-closing metathesis of carbohydrate-derived 1,6-dienes. The presence of a differentiated allylic alcohol in the cyclopentenetriols allows a variety of synthetic transformations, underlining the synthetic use of the prepared cyclopentenetriol derivatives as chiral building blocks.

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