tosylate造句

例句与造句

1. The oxime is first converted to a ketoxime tosylate by reaction with tosyl chloride.
2. The aldehyde is later deprotected using pyridinium tosylate later on in "'Scheme 4 " '.
3. With para-tosylate acid added, the hydrazone compounds can be transformed to the corresponding ketones with almost quantitative yields.
4. One of the alcohols is first converted to a leaving group ( usually tosylate ), then the two are reacted together.
5. The license was granted to Indian generic drug manufacturer Natco Pharma Ltd for Sorafenib tosylate, a cancer drug patented by Bayer.
6. It's difficult to find tosylate in a sentence. 用tosylate造句挺难的
7. Thus, the leaving group X in the alkylating agent R-X can be chloride, bromide, iodide, or tosylate.
8. For instance the unsaturated tosylate will react more quickly ( 10 11 times faster for aqueous solvolysis ) with a nucleophile than the saturated tosylate.
9. For instance the unsaturated tosylate will react more quickly ( 10 11 times faster for aqueous solvolysis ) with a nucleophile than the saturated tosylate.
10. The iodide anion is a good nucleophile and will displace chloride, tosylate, bromide and other leaving groups, as in the Finkelstein reaction.
11. Among organic acids, acetic acid, pyridinium trifluoroacetate or pyridinium tosylate can be added, the first one being most efficient and easiest to remove.
12. Added base forms a carbanion which displaces the tosylate group in a nucleophilic displacement to an azirine and added water subsequently hydrolyses it to the aminoketone.
13. As of June 8, 2011 Bretylium Tosylate is permanently no longer available in the US after request of Hospira Inc . to withdraw its NDA from the market.
14. Other types of ester are prepared in a similar manner for example, tosyl ( tosylate ) esters are made by reaction of the alcohol with p-toluenesulfonyl chloride in pyridine.
15. So I solved it by first changing the alcohol group into a tosylate by adding tosyl chloride ( without affecting the butyl alcohol's stereochemistry ), then performing an SN2 reaction by adding hydroxide ( say, NaOH ) which inverts the stereochemistry and gives me the other stereoisomer of butyl alcohol, as I wanted.
16. The cationic ring-opening polymerization of 2-ethyl-2-oxazoline can be initiated by alkylation with e . g . methyl tosylate or triflates ( in particular methyl triflate ) and leads to the water-soluble poly ( 2-ethyl-2-oxazoline ) which is a propionyl-substituted linear polyethylenimine and can also be seen as a pseudo-polypeptide.