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912655-01-7

L-(2,4-dimethoxy-3-methyl-5-tert-butyldimethylsiloxy)phenylalanine tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 912655-01-7 Structure

  • Basic information

    1. Product Name: L-(2,4-dimethoxy-3-methyl-5-tert-butyldimethylsiloxy)phenylalanine tert-butyl ester
    2. Synonyms: L-(2,4-dimethoxy-3-methyl-5-tert-butyldimethylsiloxy)phenylalanine tert-butyl ester
    3. CAS NO:912655-01-7
    4. Molecular Formula:
    5. Molecular Weight: 425.641
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 912655-01-7.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: L-(2,4-dimethoxy-3-methyl-5-tert-butyldimethylsiloxy)phenylalanine tert-butyl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: L-(2,4-dimethoxy-3-methyl-5-tert-butyldimethylsiloxy)phenylalanine tert-butyl ester(912655-01-7)
    11. EPA Substance Registry System: L-(2,4-dimethoxy-3-methyl-5-tert-butyldimethylsiloxy)phenylalanine tert-butyl ester(912655-01-7)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 912655-01-7(Hazardous Substances Data)

912655-01-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 912655-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,2,6,5 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 912655-01:
(8*9)+(7*1)+(6*2)+(5*6)+(4*5)+(3*5)+(2*0)+(1*1)=157
157 % 10 = 7
So 912655-01-7 is a valid CAS Registry Number.

912655-01-7Relevant articles and documents

Synthetic studies on (-)-lemonomycin: An efficient asymmetric synthesis of lemonomycinone amide

Wu, Yan-Chao,Bernadat, Guillaume,Masson, Geraldine,Couturier, Cedric,Schlama, Thierry,Zhu, Jieping

supporting information; experimental part, p. 2046 - 2052 (2009/08/07)

Asymmetric synthesis of lemonomycinone amide (2) was accomplished from readily accessible starting materials. Enantioselective alkylation of N-(diphenylmethylene)glycine tert-butyl ester (11) by 5-tert- butyldimethylsilyloxy-2,4-dimethoxy-3-methylbenzyl bromide (10) in the presence of Corey-Lygo's phase transfer catalyst [O-(9)-ally-N-(9-anthracenylmethyl) cinchonidium bromide, 0.1 equiv] afforded, after chemoselective hydrolysis of the imine function (THF/H2O/AcOH), the substituted L-tert-butyl phenylalanate 13 in 85% yield. A Pictet-Spengler reaction of 14 with benzyloxyacetaldehyde (15) provided the 1,3-cisdisubstituted tetrahydroisoquinoline 16 in 85% yield as a single diastereomer. Coupling of hindered secondary amine 16 with amino acid 9 was accomplished under carefully controlled conditions to furnish the amide 22, which was in turn converted to hemiaminal 24. A hafnium triflate catalyzed conversion of hemiaminal to α-amino thioether followed by a silver tetrafluoroborate promoted intramolecular Mannich reaction of 26 afforded the tetracycle 27 in excellent overall yields. Debenzylation of 27 [Pd(OH)2, H2, MeOH, 0°C], removal of N-Boc function (aqueous 3 N HCl, MeOH/H2O), and oxidation of hydroquinone to quinone [(NH4)2Ce(NO 3)6, H2O, rt] afforded the lemonomycinone amide 2 in 76% yield over three steps

Synthetic studies towards (-)-lemonomycin, synthesis of fused tetracycles

Couturier, Cédric,Schlama, Thierry,Zhu, Jieping

, p. 1691 - 1694 (2008/02/04)

The asymmetric synthesis of 1,3-lactol-bridged tetrahydroisoquinoline 5 is developed. Subsequent cyclization of 5 under acidic conditions leads to the formation of a tricyclic enamide 22, which is in turn converted to a tetracyclic compound 23. Georg Thie

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