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64298-92-6

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64298-92-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64298-92-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,9 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 64298-92:
(7*6)+(6*4)+(5*2)+(4*9)+(3*8)+(2*9)+(1*2)=156
156 % 10 = 6
So 64298-92-6 is a valid CAS Registry Number.

64298-92-6Downstream Products

64298-92-6Relevant articles and documents

Enantiospecific alkylations of alanine

Alonso, Francisco,Davies, Stephen G.,Elend, Almut S.,Haggitt, Jane L.

, p. 257 - 264 (2007/10/03)

Reaction of ferrocenecarbaldehyde 3 with sodium (S)-alaninate followed by pivaloyl chloride generates (2S,4S)-2-ferrocenyl-3-pivaloyl-4-methyl-1,3-oxazolidin-5-one 5 (>98% de). Compound 5 undergoes stereospecific 4-alkylation with complete retention of configuration on treatment sequentially with lithium diisopropylamide and an appropriate alkyl bromide {benzyl bromide, allyl bromide, crotyl [(E)-2-enyl] bromide, α-bromo-o-xylene, cinnamyl bromide, 2-(bromomethyl)naphthalene, 1-(tert-butoxycarbonyl)-3-(bromomethyl)indole and bromoacetonitrile} to generate the corresponding (2S,4R)-2-ferrocenyl-3-pivaloyl-4-alkyl-4-methyl-1,3-oxazolidin-5-ones 7a-h. Hydrolysis of (2S,4R)-7a-h on Amberlyst-15 generates the free (R)-α-methyl-α-amino acids (R)-8a-h.

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