C07D487/22

De novo synthesis of bacteriochlorins

A method of making a bacteriochlorin is carried out by condensing a pair of compounds of Formula II ##STR00001##
to produce the bacteriochlorin, wherein R is an acetal or aldehyde group. The condensing may be carried out in an organic solvent, preferably in the presence of an acid. The bacteriochlorins are useful for a variety of purposes such as active agents in photodynamic therapy, luminescent compounds in flow cytometry, solar cells, light harvesting arrays, and molecular memory devices.

De novo synthesis of bacteriochlorins

A method of making a bacteriochlorin is carried out by condensing a pair of compounds of Formula II ##STR00001##
to produce the bacteriochlorin, wherein R is an acetal or aldehyde group. The condensing may be carried out in an organic solvent, preferably in the presence of an acid. The bacteriochlorins are useful for a variety of purposes such as active agents in photodynamic therapy, luminescent compounds in flow cytometry, solar cells, light harvesting arrays, and molecular memory devices.

PHTHALOCYANINE COMPOUND AND METHOD OF PREPARING THE SAME, COLOR FILTER CONTAINING PHTHALOCYANINE COMPOUND, AND COLORING COMPOSITION
20170327510 · 2017-11-16 ·

Provided is a phthalocyanine compound which has a green hue without having a halogen atom, and exhibits high luminance and an excellent coloring force at the time of being used for preparing a green pixel unit of a color filter. The phthalocyanine compound of the present invention has green hues without having a halogen atom, and exhibits high luminance and an excellent coloring force at the time of being used for preparing the green pixel unit of the color filter. In addition, the phthalocyanine compound can be used not only for the color filter, but also as a colorant for a wide range of applications as a general colorant such as printing ink, paint, colored plastic, toner, and ink for ink jet.

PHTHALOCYANINE COMPOUND AND METHOD OF PREPARING THE SAME, COLOR FILTER CONTAINING PHTHALOCYANINE COMPOUND, AND COLORING COMPOSITION
20170327510 · 2017-11-16 ·

Provided is a phthalocyanine compound which has a green hue without having a halogen atom, and exhibits high luminance and an excellent coloring force at the time of being used for preparing a green pixel unit of a color filter. The phthalocyanine compound of the present invention has green hues without having a halogen atom, and exhibits high luminance and an excellent coloring force at the time of being used for preparing the green pixel unit of the color filter. In addition, the phthalocyanine compound can be used not only for the color filter, but also as a colorant for a wide range of applications as a general colorant such as printing ink, paint, colored plastic, toner, and ink for ink jet.

Methods for the Production of Nickel (II) Etioporphyrin-I

Improved methods for the production of nickel (II) etioporphyrin-1. The improved method for the production of nickel (ll) etioporphyrin-l comprises brominating kryptopyrrole to provide monobromo-dipyrromethene, wherein the bromination is carried out in the presence of ethyl acetate; (b) cyclizing monobromo-dipyrromethene to provide etioporphyrin-1; and metallating etioporphyrin-1 with a nickel (II) salt to provide nickel (II) etioporphyrin-1.

Methods for the Production of Nickel (II) Etioporphyrin-I

Improved methods for the production of nickel (II) etioporphyrin-1. The improved method for the production of nickel (ll) etioporphyrin-l comprises brominating kryptopyrrole to provide monobromo-dipyrromethene, wherein the bromination is carried out in the presence of ethyl acetate; (b) cyclizing monobromo-dipyrromethene to provide etioporphyrin-1; and metallating etioporphyrin-1 with a nickel (II) salt to provide nickel (II) etioporphyrin-1.

Fullerene compound, lubricant for magnetic recording medium, and magnetic recording medium

The invention provides a fullerene compound; a lubricant that is for a magnetic recording medium and that contains the fullerene compound; and a magnetic recording medium. The fullerene compound is an ionic liquid that is represented by general formula (1) and is formed from a Bronsted acid (H.sub.n1X) and a Bronsted base ([R.sub.2R.sub.3)N—].sub.m1—R.sub.1); wherein one of the Brønsted acid and the Broønsted base contains a group having a fullerene; and the other contains a perfluoroalkyl chain. ##STR00001##

Fullerene compound, lubricant for magnetic recording medium, and magnetic recording medium

The invention provides a fullerene compound; a lubricant that is for a magnetic recording medium and that contains the fullerene compound; and a magnetic recording medium. The fullerene compound is an ionic liquid that is represented by general formula (1) and is formed from a Bronsted acid (H.sub.n1X) and a Bronsted base ([R.sub.2R.sub.3)N—].sub.m1—R.sub.1); wherein one of the Brønsted acid and the Broønsted base contains a group having a fullerene; and the other contains a perfluoroalkyl chain. ##STR00001##

COMPOSITION, PHOTOELECTRIC CONVERSION ELEMENT, AND IMAGING DEVICE
20220059783 · 2022-02-24 ·

A composition contains a naphthalocyanine derivative represented by the following formula:

##STR00001##

where R.sub.1 to R.sub.8 are each independently an alkyl group, and R.sub.9 and R.sub.10 are each independently an aryl group.

CONVERGENT AND ENANTIOSELECTIVE TOTAL SYNTHESIS OF COMMUNESIN ANALOGS

A highly convergent biomimetic synthesis of a complex polycyclic scaffold has been successfully implemented. From these efforts, compounds having a structure of Formula (I):

##STR00001##

or a pharmaceutically acceptable salt, tautomer or stereoisomer thereof, wherein R.sup.1-R.sup.8 and m, n, r, s, t, and u are as defined herein, is provided. Methods of making such compounds are also disclosed as are methods for the treatment of cancer, various infectious diseases, and abnormal cardiovascular function.