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198217-06-0

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198217-06-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198217-06-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,2,1 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 198217-06:
(8*1)+(7*9)+(6*8)+(5*2)+(4*1)+(3*7)+(2*0)+(1*6)=160
160 % 10 = 0
So 198217-06-0 is a valid CAS Registry Number.

198217-06-0Relevant articles and documents

Total synthesis of acinetoferrin

Wang, Queenie Xianghong,Phanstiel IV, Otto

, p. 1491 - 1495 (1998)

The total synthesis of a novel siderophore, acinetoferrin, is described. The key transformation involves the tandem oxidation and acylation of the N3-amino group of N1-BOC propane diamine prior to coupling with the external carboxyls of citric acid. A 'one-pot-two-step' reaction converted a primary amine (RNH2) into a O-benzoyl hydroxamate (i.e., RN(OOCPh)COR') in good yield (68%). These studies demonstrated the utility of the O-benzoyl protecting group in the synthesis of α,β-unsaturated hydroxamic acids.

Synthesis of secondary amines via N-(benzoyloxy)amines and organoboranes

Phanstiel IV,Wang,Powell,Ospina,Leeson

, p. 803 - 806 (2007/10/03)

A variety of primary amines (R-NH2) were converted to their corresponding N-(benzoyloxy)amines (i.e., R-NHOCOPh) under biphasic conditions in excellent yields (63-90%). The intermediate N- (benzoyloxy)amines were converted to their N-ethylamine derivatives upon reaction with triethylborane in THF in good yield (54-89%). These experiments demonstrated the similar chemistry of N-chloro- and N-(benzoyloxy)amines with organoboranes.

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