Examples of 'threo' in a sentence
Meaning of "threo"
Threo is a term used in chemistry to describe a specific stereoisomer configuration of molecules. It is important in drug design and development
How to use "threo" in a sentence
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threo
Methylphenidate contains erythro and threo isomers.
Processes for making threo glycopyrrolate tosylate are described.
A threo compound is then prepared by a recrystallization of that acid amide.
Said glycopyrrolate tosylate may be threo glycopyrrolate tosylate.
No threo isomer was detected.
It was first prepared as a mixture of the erythro and threo racemates.
Both erythro and threo isomers are formed in the reaction.
Pseudoephedrine is the threo form.
The amount of erythro and threo isomers was also determined by this method.
The glycopyrrolate tosylate of the processes herein may be threo glycopyrrolate tosylate.
The threo oxaphosphetane would then be expected to give predominantly the corresponding trans olefin.
They may thus exist in the form of threo or erythro enantiomers or diastereoisomers.
Said pharmaceutically acceptable solution of glycopyrrolate tosylate may be threo glycopyrrolate tosylate.
Said threo configuration indicates a relative configuration opposite to the erythro configuration mentioned above.
Two older prefixes still commonly used to distinguish diastereomers are threo and erythro.
See also
Another threo compound is threonine, one of the essential amino acids.
Analysis by TLC revealed that the reaction was essentially complete to the desired threo diastereoisomer.
Crystalline threo glycopyrronium chloride as claimed in claim 1 or 2 for use as a medicament.
In one embodiment, the salt of methylphenidate is threo methylphenidate hydrochloride.
The village belonged until the 19th century to the historical wapentake of Winnibriggs and Threo.
In one embodiment, the topical comprises threo glycopyrrolate tosylate.
A repetition of their work confirms their result, the mix analyzing 75 % erythro isomer and 25 % threo isomer.
Preferably, the present invention relates to the threo diastereoisomers of these compounds.
Alternatively, it can be recycled after passage through resolution of the threo isomer.
For example, benzaldehyde forms both the threo and erythro isomers of B-phenylserine.
The composition according to claim 1, wherein said compound is in the threo configuration.
The wapentakes of Winnibriggs and Threo (or Threw) were formed in the early Middle Ages.
The diastereoisomers of claim 1 object of the invention are threo diastereoisomers.
A process for isolating either d - or 1 - threo isomer of methylphenidate hydrochloride comprising the steps of,.
The compound as claimed in claim 1, which is in the threo configuration.
Preferably, threo Thiomicamine is used.
In many embodiments, the glycopyrrolate tosylate is threo glycopyrrolate tosylate.
Yields, however, are inherently low, being limited to no more than 50 % of the threo mixture.
The following Example illustrates the resolution of threo methylphenidate using ( - ) - menthoxyacetic acid.
Preferably, the majority of the regio-errors result from threo errors.
In a particular preferred embodiment of the invention, threo - ritalinic acid hydrochloride is resolved with ( - ) -1-phenylethylamine.
The composition according to claim 1, wherein the methylphenidate substantially comprises the d - threo - methylphenidate enantiomer.
You niggas stand out here like the Threo Stooges of Harlem or somothin ', B.?
This invention relates to the therapeutic use of d - threo - methylphenidate.
In one embodiment, the salt of ritalinic acid is threo ritalinic acid hydrochloride.
The erythro isomer was crystalline, while the threo isomer was oleaginous.
In another embodiment, the pharmaceutically acceptable solution of threo glycopyrrolate tosylate is a topical.
These methods use the compound of formula III - threo in racemic form, as intermediate.
