1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane

Base Information

• Chemical Name: 1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane
• CAS No.: 174137-97-4
• Molecular Formula: C₁₈H₃₅N₃O₄
• Molecular Weight: 357.494
• Mol file: 174137-97-4.mol

Synonyms:1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane

Chemical Property of 1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane

Chemical Property:

Purity/Quality:

95% ^*data from raw suppliers

NO2A-(t-Buester) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Uses: NO2A-(t-Bu ester), is a reactive intermediate that can be used in the perpetration of high-spin iron(II) and cobalt(II) N-methylated N-methylpicolyl cyclen complexes as paraSHIFT agents with large temperature dependent shifts.

Technology Process of 1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane

There total 15 articles about 1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 76.0%

di-tert-butyl 2,2′-(7-benzyl-1,4,7-triazonane-1,4-diyl)diacetate (1357009-14-3) → 1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane (174137-97-4)

Guidance literature:

With palladium 10% on activated carbon; hydrogen; In ethanol; at 20 ℃;

DOI:10.1021/acs.inorgchem.5b01719

Reference yield: 66.0%

bromoacetic acid tert-butyl ester (5292-43-3) + 1,4,7-triazacyclononane (4730-54-5) → 1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane (174137-97-4) + 1,4,7-triazacyclononane-1,4,7-t-butylacetate

Guidance literature:

In chloroform; at 20 ℃; for 24.66h;

DOI:10.1039/c1cc13151f

Reference yield: 50.0%

bromoacetic acid tert-butyl ester (5292-43-3) + 1,4,7-triazacyclononane (4730-54-5) → [1,4,7]Triazonan-1-yl-acetic acid tert-butyl ester (174137-99-6) + 1,4-bis(tert-butoxycarbonylmethyl)-1,4,7-triazacyclononane (174137-97-4) + 1,4,7-triazacyclononane-1,4,7-t-butylacetate

Guidance literature:

With trifluorormethanesulfonic acid; potassium tert-butylate; In tert-butyl alcohol; at 50 ℃;

DOI:10.1021/ja953771p

upstream raw materials:

bromoacetic acid tert-butyl ester

1,4,7-triazacyclononane

1-Cbz-1,4,7-triazacyclononane

1,4-di-tert-butyl 1,4,7-triazonane-1,4-dicarboxylate

Downstream raw materials:

(4-[2-(benzyl-tert-butoxycarbonylmethyl-amino)ethyl]-7-tert-butoxycarbonyl-methyl-[1,4,7]triazonan-1-yl)acetic acid tert-butyl ester

t-butyl (4-tert-butoxycarbonylmethyl-7-{2-[tert-butoxycarbonylmethyl-(4-nitro-benzyl)-amino]ethyl}-[1,4,7]triazonan-1-yl)acetate

tert-butyl {4-[2-(bis-benzyloxycarbonylmethyl-amino)ethyl]-7-tert-butoxycarbonylmethyl [1,4,7]triazonan-1-yl}acetate

C₃₀H₄₈N₄O₈