1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid 97.0% (CHN)

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Sigma-Aldrich offers Aldrich-86734, 1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid for your research needs. Find product specific information including CAS, MSDS, protocols and references.

DOTA (chelator) - Wikipedia, the free encyclopedia

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1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (also known as DOTA) is an organic compound with the formula (CH2CH2NCH2CO2H)4. The molecule consists of a central 12-membered tetraaza (i.e., containing four nitrogen atoms) ring.

Cyclen - Wikipedia, the free encyclopedia

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Cyclen or 1,4,7,10-tetraazacyclododecane is a macrocycle and the aza analogue of the crown ether 12-crown-4. Derivatives of cyclen are larger cyclic polyamines but the repeating unit (ethyleneimine, –CH2CH2NH–) is always the same.

1,4,7,10-tetraazacyclododecane butyltriols, processes for their...

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1. A 1,4,7,10-tetraazacyclododecane butyltriol of formula IA ##STR8## in which each R1 is hydrogen or a metal ion equivalent, independent of one another, and. R2 is 1-hydroxymethyl-2,3-dihydroxypropyl, or a salt thereof with an organic or inorganic base or an amino acid.

Патент US6417354 - 1,4,7,10-tetraazacyclododecane-1,4-diacetic acid

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1,4,7,10-tetraazacyclododecane-1,4-diacetic acid of formula (I): as well as its chelated complex salts with bi-valent metal ions having atomic numbers from 20 to 31, 39, 42, 43, 44, 49, or from 57 to 83, as well as their salts with anions of physiologically acceptable organic acid selected from acetate...

1,4,7,10-TETRAAZACYCLODODECANE

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B. 1,4,7,10-Tetraazacyclododecane (2). A 1-L, three-necked, round-bottomed flask charged with 8.96 g (54.6 mmol) of 2,3,5,6,8,9-hexahydrodiimidazo[1,2-a:2',1'-c]pyrazine is equipped with a reflux condenser fitted with nitrogen inlet tube, a 500-mL pressure-equalizing addition funnel, and a...

Патент US5886174 - Process for the preparation... - Google Патенты

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A process for the preparation of 1,4,7,10-tetraazacyclododecane of formula (I), starting from decahydro-2a,4a,6a,8a-tetraazacyclopent fg!acenaphthylene of formula (II): comprising the direct step of hydrolysis in aqueous solution, in conditions of slightly acid, neutral or slightly basic pH...

Recent Activity

www.ncbi.nlm.nih.gov

1,4,7,10-Tetraazacyclododecane-N,N',N'',N'''-tetraacetic acid (DOTA) has been successfully coupled to the α-MSH peptide analogs for radiolabeling with a variety of radionuclides (7). 111In- and 99mTc-DOTA-Re(Arg11)...

Magnetic Properties of Iron(III) Complexes with Pendant-Armed

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is 1,4,7-tris (2-hydroxyethyl)-1,4,7,10-tetraazacyclododecane) and (H2DHED) is (1,4-bis (2-hydroxyethyl)-1,4,7,10-tetraazacyclododecane). Variable temperature magnetic susceptibilty measurements of 1, 3 complexes possess S = 0 spin ground states, while 2 has an S = 2 spin ground.

Cyclen

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Cyclen or 1,4,7,10-tetraazacyclododecane is a macrocycle and the aza analogue of crown ethers. Derivatives of cyclen are larger cyclic polyamines but the repeating unit (ethyleneimine) is always the same.

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