申请人:KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY 한국화학연구원(319980077651)
公开号:KR20210063058A
公开(公告)日:2021-06-01
본 발명은 함질소 헤테로방향족 포함 아조벤젠 화합물, 이를 포함하는 홀로그램 기록용 조성물, 홀로그램 기록용 매체, 이를 사용한 홀로그램 기록 재료 및 홀로그램 기록 또는 재기록 방법에 관한 것으로써, 본 발명의 아조벤젠 단량체 화합물은 녹색 파장에서 등흡수점이 존재하고 이로부터 광 이성질화가 일어나며, 적은 양의 광조사에 의해서도 굴절율 변화를 크게 할 수 있는 고복굴절율 부분을 포함하고 있어 아조벤젠 단량체 화합물을 포함하는 고분자는 녹색 레이저 조사에 의한 홀로그램 기록/재기록 소재로 유용하게 사용될 수 있다.
[EN] PROCESS FOR THE PREPARATION OF QUATERNIZED PYRIDAZINE DERIVATIVES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS DE PYRIDAZINE QUATERNISÉS
申请人:SYNGENTA CROP PROTECTION AG
公开号:WO2022034204A1
公开(公告)日:2022-02-17
The present invention provides, inter alia, a process for producing a compound of formula (I) wherein the substituents are as defined in claim 1. The present invention further provides intermediate compounds utilised in said process, and methods for producing said intermediate compounds.
[EN] 4'-C-ETHYNYL PURINE NUCLEOSIDES<br/>[FR] NUCLEOSIDES DE PURINE 4'-C-ETHYNYLE
申请人:YAMASA CORP
公开号:WO2000069877A1
公开(公告)日:2000-11-23
The invention provides 4'-C-ethynyl purine nucleosides represented by formula (I), wherein B represents a base selected from the group consisting of purine and derivatives thereof; X represents a hydrogen atom or a hydroxyl group; and R represents a hydrogen atom or a phosphate residue; and a pharmaceutical composition containing any one of the compounds and a pharmaceutically acceptable carrier. Preferably, the composition is used as an anti-HIV agent or a drug for treating AIDS.
The invention provides 4′-C-ethynyl pyrimidine nucleosides (other than 4′-C-ethynylthymidine) represented by formula [I]:
1
wherein B represents a base selected from the group consisting of pyrimidine and derivatives thereof; X represents a hydrogen atom or a hydroxyl group; and R represents a hydrogen atom or a phosphate residue; and a pharmaceutical composition containing any one of the compounds and a pharmaceutically acceptable carrier. Preferably, the composition is used as an anti-HIV agent or a drug for treating AIDS.
Nitrification inhibitors and uses of same to prevent nitrate leaching or nitrous oxide emissions as well as increase pasture or crop production. The nitrification inhibitors and formulations including same may be used for direct or indirect application to soil or pasture.