Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Yverify (what is YN ?)
Infobox references
Chemical compound
Cyclen (1,4,7,10-tetraazacyclododecane) is a aza-crown ether with the formula (CH2CH2NH)4. It is a white solid. Being structurally simple, symmetrical, and polyfunctional, cyclen has been widely investigated.[1]
^Lejault, Pauline; Duskova, Katerina; Bernhard, Claire; Valverde, Ibai E.; Romieu, Anthony; Monchaud, David (2019). "The Scope of Application of Macrocyclic Polyamines Beyond Metal Chelation" (PDF). European Journal of Organic Chemistry. 2019 (36): 6146–6157. doi:10.1002/ejoc.201900870. S2CID 201220297.
Cyclen (1,4,7,10-tetraazacyclododecane) is a aza-crown ether with the formula (CH2CH2NH)4. It is a white solid. Being structurally simple, symmetrical...
Norgestimate, sold under the brand names Ortho Tri-Cyclen and Previfem among others, is a progestin medication which is used in birth control pills for...
Ethinylestradiol (EE) is an estrogen medication which is used widely in birth control pills in combination with progestins. In the past, EE was widely...
of copper. It has also been used as a building block in the synthesis of cyclen. GHS: PubChem "Stainsfile - Howell's rubeanic acid for copper". stainsfile...
polyamines analogous to crown ethers: 1,4,7-triazacyclononane ((NHCH2CH2)3) and cyclen ((NHCH2CH2)4). A related tetraaza macrocycle is cyclam. Tris(2-aminoethyl)amine...
with a reactive linking group of para-isothiocyanatobenzyl attached to the cyclen ring is also of interest as a bifunctional chelator (BFC). Brennecke, Benjamin;...
musculoskeletal system Ortho-DOT, a psychedelic drug Ortho-cept and Ortho Tri-cyclen, kinds of oral contraceptive drug Orthodoxy, right (correct) belief Orthopraxy...
1-benzylindole, and azetidine. Another example is found in the derivatization of cyclen. Industrially, ethylenediamine is produced by alkylation of ammonia with...
alternating five- and six-membered chelate rings. The closely related ligand cyclen ((CH2CH2NH)4) forms only five-membered C2N2M chelate rings and tends not...
complex of a thia-crown ether [Ag(18-ane-S6)]2+ Crystal structure of a Zn(II)-cyclen-ethanol dication. Fe-TAML complex. 1,4,7-Triazacyclononane is a tridentate...
Cyclen containing the first new progestin (norgestimate) approved in over 20 years in the United States. In 1992, Ortho introduced Ortho Tri-Cyclen in...
Retrieved 1 February 2013. "DailyMed - ORTHO TRI CYCLEN- norgestimate and ethinyl estradiol ORTHO CYCLEN- norgestimate and ethinyl estradiol". dailymed...
ISBN 0-13-035471-6. Clark, C. R. and Buckingham, D. A., "Alkaline hydrolysis of [Co(cyclen)(O2CO)]+ and direct observation of deprotonated SN1CB intermediates", Inorganica...
cycles, Type II-UCZ base cycles, Type III-thin intermediate layer within cyclens, Type IV-stringers associated to OPX pegmatoids. Upper Critical Zone: Approximately...
Pharmaceuticals. U.S. Food and Drug Administration. November 2017. "ORTHO-CYCLEN and ORTHO TRI-CYCLEN (norgestimate/ethinyl estradiol) tablets, for oral use" (PDF)...
Global Information
verify (what is 
?)
