Cas 1202003-89-1,ethyl [5-allyloxy-2-(tert-butyl-dimethyl-silanyloxy)-4-methoxyphenyl]-(diphenylphosphorylimino)acetate

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Check Digit Verification of cas no

The CAS Registry Mumber 1202003-89-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,0,0 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1202003-89:
(9*1)+(8*2)+(7*0)+(6*2)+(5*0)+(4*0)+(3*3)+(2*8)+(1*9)=71
71 % 10 = 1
So 1202003-89-1 is a valid CAS Registry Number.

1202003-89-1Upstream product

1202003-89-1Downstream Products

1202003-90-4 2-[5-allyloxy-2-(tert-butyldimethylsilanyloxy)-4-methoxyphenyl]-N-diphenylphosphinoyl-amino-propionic acid ethyl ester

1202003-89-1Relevant academic research and scientific papers

Synthesis of methoxyfumimycin with 1,2-addition to ketimines

Gross, Patrick J.,Hartmann, Caroline E.,Nieger, Martin,Braese, Stefan

supporting information; experimental part, p. 229 - 232 (2010/04/24)

(Chemical Equation Presented) The synthesis of (±)-methoxyfumimycin, a potential new bacterial peptide deformylase (PDF) inhibitor, is reported. To generate the stereogenic fully substituted carbon, the key step is a 1,2-addition of amethylGrignard reagent to a ketimine. The overall synthetic strategy involves a Dakin oxidation of a vanillin derivative, Friedel-Crafts acylation, Claisen rearrangement, lactonization, and rhodium-catalyzed olefin isomerization.

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