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38636-02-1

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38636-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38636-02-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,6,3 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 38636-02:
(7*3)+(6*8)+(5*6)+(4*3)+(3*6)+(2*0)+(1*2)=131
131 % 10 = 1
So 38636-02-1 is a valid CAS Registry Number.

38636-02-1Relevant articles and documents

Catalytic asymmetric diaziridination

Lykke, Lennart,Halskov, Kim Soholm,Carlsen, Bjorn Dreio,Chen, Victor X.,Jorgensen, Karl Anker

, p. 4692 - 4695 (2013)

The first catalytic enantio- and diastereoselective synthesis of diaziridines is presented. Aziridination of N-tosyl aldimines applying modified hydroxylamine under asymmetric phase-transfer catalysis furnished optically active diaziridines. The diaziridines are formed as a single diastereomer in up to 96% ee, containing two orthogonal N-protecting groups, which can be deprotected selectively.

Direct N-O bond formation via oxidation of amines with benzoyl peroxide

Banerjee, Amit,Yamamoto, Hisashi

, p. 2124 - 2129 (2019/02/20)

Herein, we report a general and efficient method for direct N-O bond formation without undesirable C-N bond (amide) formation starting from commercially available amines and benzoyl peroxide. The oxidation of 1,2-diamines to furnish bis-(benzoyloxy)-1,2-diamines is reported for the first time. We found that a significant amount of water (BPO?:?water = 3?:?1) in combination with Cs2CO3 is necessary to achieve high selectivity and yield. The reaction conditions are applicable to a wide range of 1,2-diamine and 1,2-disubstituted-1,2-diamine substrates. Additionally this method is highly applicable to primary and secondary amines. Further, the present method can access chiral bis-hydroxamic acids and bis-hydroxyl amines in just two steps from 1,2-diamines. The reaction conditions are simple, mild and inert atmosphere free. The synthetic potential of this methodology is further demonstrated in the short synthesis of a chiral BHA ligand.

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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