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1351866-47-1

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1351866-47-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1351866-47-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,1,8,6 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1351866-47:
(9*1)+(8*3)+(7*5)+(6*1)+(5*8)+(4*6)+(3*6)+(2*4)+(1*7)=171
171 % 10 = 1
So 1351866-47-1 is a valid CAS Registry Number.

1351866-47-1Downstream Products

1351866-47-1Relevant articles and documents

N-(Alkylsulfamoyl)aldimines: Easily deprotected precursors for diarylmethylamine synthesis

Crampton, Rosemary H.,Fox, Martin,Woodward, Simon

, p. 599 - 605 (2013/06/27)

The sequential reaction of chlorosulfonyl isocyanate with t-BuOH, t-BuNH2 and TFA allows formation of H2NSO 2NHBut. Condensation of the latter with Ar1CHO in the presence of Ti(OEt)4 provides the activated imines Ar 1CHNSO2NHBut (59-89%). Commercially available boronic acids add to these imines with good stereoselectivity (76-98% ee) using readily available diene ligands. Simple deprotection with 5% w/w water in pyridine affords free Ar1CHNH2Ar2.

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