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  3. Chemistry; Chem Sci/Eng

Aminoguanidine bismesylate 4

14:10 May 17, 2016
This question was closed without grading. Reason: Other

English to Spanish translations [PRO]
Science - Chemistry; Chem Sci/Eng
English term or phrase: Aminoguanidine bismesylate 4
Aparece como título de un apartado de una patente en la que se habla del bismesilato de aminoguanidina, pero no entiendo a qué se refiere el 4 ...

Aminoguanidine bismesylate 4

To a stirred solution of 99.5% methanesulphonic acid [Aldrich] (422g; 4.40mol) in methanol (720cm3) at 40° was added portionwise over 30 minutes aminoguanidine bicarbonate [Aldrich] (272.0g; 2.00mol). When the addition was complete, the solution was stirred until the temperature had fallen to ~ 40° and then treated slowly with cold ether (500cm3). During the addition, colourless needles started to deposit. The resulting slurry was stood at 0° for 4hrs, filtered and the product washed with cold ether and dried overnight in vacuo at 50°. Yield = 528g (99.25%), mpt = 149 - 150°
smoralestrad
Local time: 19:00


Summary of answers provided
3bismesilato de aminoguanidina
Graciela Vicente


Discussion entries: 2





  

Answers


45 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
aminoguanidine bismesylate 4
bismesilato de aminoguanidina


Explanation:
Bloqueadores de los canales sódicos triazoicos cíclicos.
patentados.com/patente/bloqueadores-canales/
Translate this page
Dec 5, 2015 - A una solución agitada de bismesilato de aminoguanidina (15,OOg; 0,0564mol) en ácido metanosulfónico al 99,5% (22,5g) a 65-70 °C se ..

Graciela Vicente
Local time: 02:30
Native speaker of: Native in SpanishSpanish
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