basic nitrogens
1Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known …
2dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …
3Histidine — NatOrganicBox name=2 amino 3 (3H imidazol 4 yl)propanoic acid synonyms=Imidazole alanine PubChem = 773 CAS = 71 00 1 SMILES = N [C@@H] (Cc1 [nH] cnc1)C(O)=O C=6 | H=9 | N=3 | O=2 mass=155.16 g/molHistidine (abbreviated as His or H) [cite web |… …
4Chemical bond — A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges, either between electrons and… …
5James D. Watson — Infobox Scientist name = James Dewey Watson image width = 200px caption = James D. Watson birth date = birth date and age|1928|04|06 birth place = Chicago, Illinois,, U.S. residence = U.S., UK nationality = American field = molecular biologist… …
6Urea — Urea …
7Mass spectrum analysis — is an integral part of mass spectrometry.[1][2] Organic chemists obtain mass spectra of chemical compounds as part of structure elucidation and the analysis is part of every organic chemistry curriculum. Co …
8Ornithine — L Ornithine IUPAC name L Ornithine …
