ring expansion
41Cycloheptatriene — IUPAC name 1,3,5 cycloheptatriene …
42Cycloalkyne — Cyclooctyne: the smallest isolable cycloalkyne In organic chemistry, a cycloalkyne is the cyclic analog of an alkyne. A cycloalkyne consists of a closed ring of carbon atoms containing one or more triple bonds. Cycloalkynes have a general formula …
43Spirotryprostatin B — Chembox new Name = Spirotryprostatin B ImageFile = SpirotryprostatinB.png ImageName = Spirotryptostatin B Section2 = Chembox Properties Formula = C21H21N3O3 MolarMass = 363.41 g/mol Spirotryprostatin B is an indolic alkaloid found in the… …
44Isopenicillin-N synthase — (IPNS) is a non heme iron dependent enzyme belonging to the oxidoreductase family. This enzyme catalyzes the formation of isopenicillin N from δ (L α aminoadipoyl) L cysteinyl D valine (LLD ACV).:N [(5S) 5 amino 5 carboxypentanoyl] L cysteinyl D… …
45Johnson–Corey–Chaykovsky reaction — The Johnson–Corey–Chaykovsky reaction (sometimes referred to as the Corey–Chaykovsky reaction or CCR) is a chemical reaction used in organic chemistry for the synthesis of epoxides, aziridines, and cyclopropanes. It was discovered in 1961 by A.… …
46Diaziridine — IUPAC name Diaziridine Identifiers …
47Red Gate — Red Gates (Russian: Красные Ворота, Krasnye Vorota ) in Moscow was a triumphal arch built in an exuberantly baroque design. Gates or arches of this type were common in 18th century Moscow. However, the Red Gates were the only one that survived… …
482,3-sigmatropic rearrangement — 2,3 Sigmatropic rearrangements are a type of sigmatropic rearrangements and can be classified into two types. Rearrangements of allylic sulfoxides, amine oxides, selenoxides are neutral. Rearrangements of carbanions of allyl ethers are anionic.… …
49Cyclen — IUPAC name 1,4,7,10 tetrazacyclododecane Identifiers …
50Pinacol rearrangement — The pinacol rearrangement or pinacol pinacolone rearrangement is a method for converting a 1,2 diol to a carbonyl compound in organic chemistry. This rearrangement takes place under acidic conditions. The name of the reaction comes from the… …
