42902-32-9Relevant academic research and scientific papers
Switchable synthesis of cyclic carbamates by carbon dioxide fixation at atmospheric pressure
Toda, Yasunori,Shishido, Minoru,Aoki, Tatsuya,Sukegawa, Kimiya,Suga, Hiroyuki
supporting information, p. 6672 - 6675 (2021/07/13)
The base-promoted switchable synthesis of five- and six-membered cyclic carbamates using atmospheric pressure carbon dioxide as the C1 source was developed. The chemoselectivity of products was simply controlled by changing bases and solvents. The reaction proceeds effectively under mild conditions, affording valuable cyclic carbamates. Experimental results and DFT studies revealed the reaction mechanism.
SEROTONINE REUPTAKE INHIBITOR
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Page 28-29, (2010/02/08)
There is provided a selective serotonin reuptake inhibitor having affinity for serotonin 1A receptors which comprises a cyclic amine represented by the formula: wherein G represents a formula (2): a prodrug of said cyclic amine, or a pharmaceutically acceptable salt of said cyclic amine or prodrug, as an active ingredient.
Transformation of heterocyclic reversible monoamine oxidase-B inactivators into irreversible inactivators by N-methylation
Ding,Silverman
, p. 3606 - 3610 (2007/10/02)
3-[4-[(3-Chlorophenyl)methoxy]phenyl]-5-[(methylamino)methyl]-2- oxazolidinone (1) is a secondary amine known to be a potent time-dependent irreversible inactivator of monoamine oxidase B (MAO-B). The primary amine analogues of derivatives of 1, as well a
5-(Aminomethyl)-3-aryl-2-oxazolidinones. A novel class of mechanism-sased inactivators of monoamine oxidase B
Gates, Kent S.,Silverman, Richard B.
, p. 9364 - 9372 (2007/10/02)
The mechanism of inactivation of monoamine oxidase (MAO) by 5-(aminomethyl)-3-aryl-2-oxazolidinones has been investigated. (R)- and (S)-3-[4-[(3-chlorophenyl)methoxy]phenyl]-5-[(methylamino)methyl]-2- oxazolidinone (1) exhibit all of the properties of a mechanism-based inactivator. Several other analogues of 1 also inactivate MAO. Inactivation of MAO by (R)- and (S)-[methoxy-3H]-1 and by [methoxy- 3H]-3-(4-methoxyphenyl)-5-[(methylamino)methyl]-2-oxazolidinone (15, R = 3H) led to incorporation of 1.0, 1.2, and 2.1 equiv of tritium per enzyme molecule after denaturation, indicating that a covalent bond between the oxazolidinones and MAO is formed. The partition ratios, determined from the amount of radioactive non-amines generated per tritium incorporated into the enzyme, were 17.6 and 10.9 for the R and S isomers, respectively. Inactivation of MAO by (R)- and (S)-[carboxy-14C]-1 resulted in release of 4.5 and 3.0 equiv of 14CO2, respectively. However, in addition to the loss of 14CO2 there also was incorporation of 1.5 and 1.0 equiv of 14C, respectively, into the enzyme after denaturation. The flavin spectrum indicated that the flavin was reduced after inactivation, but upon denaturation the spectrum returned to that of the oxidized form, suggesting that attachment is to an amino acid residue, not to the flavin. 5-(Aminomethyl)-3-(4-cyanophenyl)-2-oxazolidinone inactivates MAO at a rate comparable to or faster than does the corresponding 4-methoxyphenyl analogue, suggesting that there is little or no electronic effect of ring substitution on the rate of inactivation. All of these results support an inactivation mechanism that involves one-electron oxidation of the amine to the amine radical cation, followed by proton removal to give the α radical, which can partition among three pathways (Scheme V): radical combination with an active-site amino acid residue radical to give inactive enzyme, decomposition of the oxazolidinone ring with loss of CO2, and second electron transfer to give the corresponding aldehyde product.
