摘要:
New (triorganosilyl)alkynes and their derivatives having general formula R1—C≡C—Z are provided along with methods for the preparation of (triorganosilyl)alkynes and their derivatives having the general formula R1—C≡C—Z. The methods may include silylative coupling of terminal alkynes with halogenotriorganosilanes in the presence of an iridium catalyst and a tertiary amine.
摘要:
The subject matter of the invention is novel 2′,5′-dideoxy-5-fluorouridine derivatives of general formula 1. wherein R1 denotes cinchona alkaloid fragment with defined absolute configuration at C-8 and C-9 atoms.In a second aspect, the subject matter of the invention is a process for the manufacture of 2′,5′-dideoxy-5-fluorouridine derivatives of general formula 1.In a third aspect, the subject matter of the invention is an application of 2′,5′-dideoxy-5-fluorouridine derivatives of general formula 1 in the anticancer treatment of breast cancer, cervical cancer, lung cancer and nasopharynx cancer.
摘要:
A new cage monovinylgermasilsesquioxanes of the general formula 1, in which R1 are the same and represent a C1 to C6 alkyl group or a cyclopentyl or cyclohexyl group or a phenyl group. The invention also relates to the method of synthesis of cage monovinylgermasilsesquioxanes of the general formula 1.
摘要:
9-O-propargyl ethers of cinchona alkaloids of general formula represented by formula 1 wherein respective ethers have the following absolute configuration at C-8 and C-9 atoms: (8R,9S)—cinchonine configuration or (8R,9R)—9-epicinchonine configuration are useful in treatments of at least one of breast cancer, cervical cancer, lung cancer and nasopharynx cancer.
摘要:
Mixtures of salts to dissolve cellulose. The present invention refers to a composition based in a eutectic mixture of imidazolium salts and natural biopolymers, in particular cellulose, its manufacturing process and method of use to obtain foils or films.The composition is based in a eutectic mixture of imidazolium salts with 0.1 to 50 wt % of biomass.
摘要:
The subject matter of the invention is novel 2,3′-anhydro-2′-deoxy-5-fluorouridine derivatives of general formula 1 where R is a trifluoromethyl, 2,2,2-trifluoroethyl, difluoromethyl, perfluoroethyl, 1-fluoroethyl, 2-fluoroethyl, 1,1 -difluoroethyl, 1,2-difluoroethyl, 2,2-difluoroethyl, 1,1,2-trifluoroethyl, 1,2,2-trifluoroethyl, 1,1,2,2-tetrafluoroethyl, 1,2,2,2-tetrafluoroethyl group. In a second aspect, the subject matter of the invention is a process for the manufacture of 2,3-anhydro-2′-deoxy-5-fluorouridine derivatives of general formula 1.In a third aspect, the subject matter of the invention is an application of 2,3′-anhydro-2′-deoxy-5-fluorouridine derivatives of general formula 1 in the anticancer treatment of breast cancer, cervical cancer, lung cancer and nasopharynx cancer.
摘要:
Disclosed herein are amide 7-carboxybenzo[1,2,3]thiadiazoles and derivatives thereof having a general Formula I, as described herein. Combinations and compositions of these compounds are also disclosed. The compounds and compositions can be used as a plant stimulant. For example, the compounds compositions can be used to regulate the plant's growth, regulate the plant's metabolic processes, regulate the plant's physiological processes, prevent against effects of biotic stress in the plant, or prevent against effects of abiotic stress in the plant. In some embodiments, the composition can provide multiple disease resistance to plants infected with a fungus, virus, or bacteria.
摘要:
9-O-propargyl ethers of cinchona alkaloids of general formula represented by formula 1 wherein respective ethers have the following absolute configuration at C-8 and C-9 atoms: (8R,9S)-cinchonine configuration or (8R,9R)-9-epicinchonine configuration are useful in treatments of at least one of breast cancer, cervical cancer, lung cancer and nasopharynx cancer.
摘要:
The subject matter of the invention is novel 2,3′-anhydro-2′-deoxy-5-fluorouridine derivatives of general formula 1 where R is a trifluoromethyl, 2,2,2-trifluoroethyl, difluoromethyl, perfluoroethyl, 1-fluoroethyl, 2-fluoroethyl, 1,1-difluoroethyl, 1,2-difluoroethyl, 2,2-difluoroethyl, 1,1,2-trifluoroethyl, 1,2,2-trifluoroethyl, 1,1,2,2-tetrafluoroethyl, 1,2,2,2-tetrafluoroethyl group. In a second aspect, the subject matter of the invention is a process for the manufacture of 2,3′-anhydro-2′-deoxy-5-fluorouridine derivatives of general formula 1.In a third aspect, the subject matter of the invention is an application of 2,3′-anhydro-2′-deoxy-5-fluorouridine derivatives of general formula 1 in the anticancer treatment of breast cancer, cervical cancer, lung cancer and nasopharynx cancer.
摘要:
The subject of the invention are new functionalized unsaturated double-decker derivatives of divinylsilsesquioxanes of the general formula 1. In the formula, R1 are the same and stand for an aryl group containing from 1 to 2 rings, R2 are the same and stand for an alkyl group containing carbon atoms from C1 to C2, substituted or unsubstituted aryl group containing from 1 to 2 rings, R3 are the same and stand for a substituted or unsubstituted aryl group containing from 1 to 2 rings or a group of the formula —R4-R5—, where R4 stands for an alkyl group containing carbon atoms from C1 to C3, while R5 stands for aryl group containing from 1 to 2 rings.