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Synthesis and in vitro antiproliferative evaluation of PEGylated triterpene acids.
Medina-O'Donnell M, Rivas F, Reyes-Zurita FJ, Martinez A, Galisteo-González F, Lupiañez JA, Parra A. Medina-O'Donnell M, et al. Fitoterapia. 2017 Jul;120:25-40. doi: 10.1016/j.fitote.2017.05.006. Epub 2017 May 25. Fitoterapia. 2017. PMID: 28552598
Another set of PEGylated derivatives has been semi-synthesised by connecting the same four ethylene glycols to the hydroxyl groups of the A ring of these triterpenic acids, through a carbonate linker, by reaction with trichloromethyl chloroformate. The aqueous solub …
Another set of PEGylated derivatives has been semi-synthesised by connecting the same four ethylene glycols to the hydroxyl groups of the A …
Trichloromethyl chloroformate ("diphosgene"), ClCOOCCl3: structure and conformational properties in the gaseous and condensed phases.
Arce VB, Della Védova CO, Downs AJ, Parsons S, Romano RM. Arce VB, et al. J Org Chem. 2006 Apr 28;71(9):3423-8. doi: 10.1021/jo052260a. J Org Chem. 2006. PMID: 16626122
The conformational properties of gaseous trichloromethyl chloroformate (or "diphosgene"), ClC(O)OCCl3, have been studied by vibrational spectroscopy [IR (gas), IR (matrix), and Raman (liquid)] and quantum chemical calculations (MP2 and B3LYP with 6-311G basis sets); …
The conformational properties of gaseous trichloromethyl chloroformate (or "diphosgene"), ClC(O)OCCl3, have been studied by vi …
Polycarbonates from the polyhydroxy natural product quinic acid.
Besset CJ, Lonnecker AT, Streff JM, Wooley KL. Besset CJ, et al. Biomacromolecules. 2011 Jul 11;12(7):2512-7. doi: 10.1021/bm2003048. Epub 2011 Jun 6. Biomacromolecules. 2011. PMID: 21644574
The design and synthesis of regioselectively tert-butyldimethylsilyloxy (TBS)-protected 1,4- and 1,5-diol monomers of quinic acid were followed by optimization of their copolymerizations with phosgene, generated in situ from trichloromethyl chloroformate, to yield p …
The design and synthesis of regioselectively tert-butyldimethylsilyloxy (TBS)-protected 1,4- and 1,5-diol monomers of quinic acid were follo …
Acute nose-only inhalation exposure of rats to di- and triphosgene relative to phosgene.
Pauluhn J. Pauluhn J. Inhal Toxicol. 2011 Feb;23(2):65-73. doi: 10.3109/08958378.2010.542501. Inhal Toxicol. 2011. PMID: 21309662
Groups of young adult Wistar rats were acutely exposed to trichloromethyl chloroformate (diphosgene) and bis(trichloromethyl) carbonate (triphosgene) vapor atmospheres using a directed-flow nose-only mode of exposure. ...
Groups of young adult Wistar rats were acutely exposed to trichloromethyl chloroformate (diphosgene) and bis(trichloromethy …
Dynamic kinetic resolution via dual-function catalysis of modified cinchona alkaloids: asymmetric synthesis of alpha-hydroxy carboxylic acids.
Tang L, Deng L. Tang L, et al. J Am Chem Soc. 2002 Mar 27;124(12):2870-1. doi: 10.1021/ja0255047. J Am Chem Soc. 2002. PMID: 11902867
A new procedure was developed for the condensation of racemic alpha-hydroxy acids with trichloromethyl chloroformate (diphosgene) at room temperature in the presence of activated charcoal to form 5-substituted-1,3-dioxolane-2,4-diones in 90-100% yield. ...
A new procedure was developed for the condensation of racemic alpha-hydroxy acids with trichloromethyl chloroformate (diphosge …
Synthesis of targeted drug delivery system for fluorouracil using sulfadiazine as the carrier.
Hu XG, Wang SM, Zhang QX, Cao MM, Lu Y. Hu XG, et al. Di Yi Jun Yi Da Xue Xue Bao. 2002 Nov;22(11):1042-4. Di Yi Jun Yi Da Xue Xue Bao. 2002. PMID: 12433646
METHODS: SF-poly (ethylene glycol) (PEG) conjugate was initially synthesized. 5Fu was subjected to reaction with trichloromethyl chloroformate to prepare chloroformyl 5Fu, which was linked to a spacer hydroxyl group of PEG that served as a macromolecular linking arm …
METHODS: SF-poly (ethylene glycol) (PEG) conjugate was initially synthesized. 5Fu was subjected to reaction with trichloromethyl c …
Formation and reversibility of S-linked conjugates of N-(1-methyl-3,3-diphenylpropyl)isocyanate, an in vivo metabolite of N-(1-methyl-3,3-diphenylpropyl)formamaide, in rats.
Mutlib AE, Talaat RE, Slatter JG, Abbott FS. Mutlib AE, et al. Drug Metab Dispos. 1990 Nov-Dec;18(6):1038-45. Drug Metab Dispos. 1990. PMID: 1981510
The isocyanate was obtained in high yield by reacting 1-methyl-3,3-diphenylpropylamine with trichloromethyl chloroformate. The S-linked conjugates released the isocyanate in mild alkali, but were stable under acidic conditions. ...
The isocyanate was obtained in high yield by reacting 1-methyl-3,3-diphenylpropylamine with trichloromethyl chloroformate. The …
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