cyclization

The intramolecular cyclization mechanism of this kind diazonium salt under metal cation as catalyst were proposed firstly.

The resin (B) is preferred to be conjugated diene polymer cyclization material with unsaturated bond decrement rate more than 10%.

Methods: Starting from diethanolamine, BP897 was prepared via chlorination, cyclization, substitution, aminolysis and condensation reaction.

METHOD The title compound was synthesized from p-methylsulfonyl-acetophenone via bromination , condensation and cyclization.

It was found that amide-group (CONH2) drastically promoted the activity of the cyclization of the molecular chains.

The method adopts the amino resin to synthesize carbetocin by the solid phase cyclization technology.

Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.

In this dissertation, we synthesized several new types of fullerene derivatives through four new cyclization reactions. 1.

METHODS Bretazenil was synthesized from 3-bromoaniline by cyclization, oxidation and ring-enlargement reaction, etc.

Method: The compound was synthesized from p-cresol and cinnamic acid by dehydration and cyclization.

The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization.

After cyclization between intermediates 9 and 5, and salt formation, efonidipine hydrochloride could be obtained.

Cyclization occurs readily with dilute alkali.

and (2) the cyclization method in the invention is more simple, convenient and high-efficient, and the condition is moderate.

We also explored the effects of the 4, 4'-disubstituted functional groups on the thermal cyclization reaction.

Nitrazepam was synthesized from 2-amino-5-nitrobenzophenone by haloacetylation, cyclization, and purification via salt formation.

The changes of IR spectra during the process of cyclization are studied by using 1, 4-polyisoprene as main component.

The phenomonon was explained in view of the mechanism of chemical cyclization of poly(amic acid).

Relationship between cyclization degree of imidazoline corrosion inhibitor and its corrosion inhibition performance

New energy-saving and pollution-reducing techniques for the cyclization system in epoxy chloropropane facility

Research on Olefin Oligomerization and Cyclization Catalyzed by Metallocene Catalyst

Optimum control of cyclization reaction of epoxy chloropropane production facility

adding organic alkali and lithium chloride in solvent for cyclization to obtain carbetocin-amino resin;

Influences of Intramolecular Cyclization on PVA Crosslinked System

Designing cyclization reaction tank for caffeine production

In situ Cyclization in the Course of Butadiene-Isoprene Copolymerization with Nd-based Catalyst

Research and Implementation of Key Technologies in Test Vector Cyclization

Application of samarium diiodide in intramolecular cyclization reaction

The Advancement of Catalysts in Synthesis of Ionone by Cyclization of Pseudoionone

Study on the Cyclization of Quinolone Antibacterial Compounds

Green Progress on Olefinic Oxidation and Cyclization Reaction

Study on Catalyzed Cyclization of Ethylenediamine in Gas-Solid Phase

Low-valent Titanium Induced Reductive Cyclization of o-Nitrobenzamides and Ketones

Catalytic Performance of Sulfated Silica MCM-41 for Cyclization of Pseudoionone to Ionones

Study on the Synthesis of Methyl Ionone by Cyclization Reaction

The Improvement of the Cyclization Step in the Stepwise Synthesis of calix[4]arenes

Recent Progress in the Radical Cyclization of Olefins