USE OF SUBSTITUTED PERYLENES IN ORGANIC SOLAR CELLS
申请人:KÖNEMANN Martin
公开号:US20110308592A1
公开(公告)日:2011-12-22
The present invention relates to an organic solar cell with a photoactive region which comprises at least one organic donor material in contact with at least one organic acceptor material, wherein the donor material and the acceptor material form a donor-acceptor heterojunction and wherein the photoactive region comprises at least one substituted perylene.
Iridium-catalyzed highly chemoselective and efficient reduction of nitroalkenes to nitroalkanes in water
作者:Dong Xu、Yang Chen、Changmeng Liu、Jiaxi Xu、Zhanhui Yang
DOI:10.1039/d1gc01907d
日期:——
An iridium-catalyzed highly chemoselective and efficient transfer hydrogenation reduction of structurally diverse nitroalkenes was realized at very low catalyst loading (S/C = up to 10000 or 20 000), using formic acid or sodium formate as a traceless hydride donor in water. Excellent functionality tolerance is also observed. The turnover number and turnover frequency of the catalyst reach as high as
在非常低的催化剂负载量(S/C = 高达 10000 或 20 000)下,使用甲酸或甲酸钠作为水中的无痕氢化物供体,实现了铱催化的高化学选择性和高效转移氢化还原结构多样的硝基烯烃。还观察到优异的功能耐受性。催化剂的周转次数和周转频率高达18 600和19 200 h -1, 分别。不需要惰性气氛保护。硝基烯烃的反应性取决于它们的取代模式,pH 值是实现完全转化和优异化学选择性的关键因素。产品的纯化通过简单的萃取实现,无需柱层析。还原过程在 10 000 S/C 比率下轻松放大到 10 g 规模。这种绿色还原在对映选择性氢化中的潜力已经得到证实。
Naphthalenetetracarboxylic Aicd Derivatives and their Use as Semiconductors
申请人:Konemann Martin
公开号:US20080300405A1
公开(公告)日:2008-12-04
The present invention relates to naphthalenetetracarboxylic acid derivates, to a process for their preparation and to their use, especially as an n-type semiconductor.
Bioinspired Nitroalkylation for Selective Protein Modification and Peptide Stapling
作者:Sriram Mahesh、Victor Adebomi、Zilma P. Muneeswaran、Monika Raj
DOI:10.1002/anie.201908593
日期:2020.2.10
and enzymatic activity of modifiedproteins remain conserved after labeling. Notably, the nitroalkane group leads to easy characterization of proteins by mass spectrometry because of its distinct fingerprint pattern. Importantly, the nitro-alkylated peptides provide a new handle for site-selective fluorination of peptides, thus installing a specific probe to study peptide-protein interactions by 19
硝基烷与醛发生特异性反应,提供快速,稳定和化学选择性的蛋白质生物结合。这些硝基烷基化的蛋白质模拟蛋白质的关键翻译后修饰(PTM),可用于了解这些PTM在细胞过程中的作用。这里通过将各种标签(例如NMR标签,荧光标签,亲和标签和炔烃标签)附着到蛋白质上来说明这种生物共轭的底物范围。标记后,修饰蛋白的结构和酶活性保持保守。值得注意的是,由于硝基烷烃基团具有独特的指纹图谱,因此可通过质谱法轻松表征蛋白质。重要的是,硝基烷基化的肽为肽的位点选择性氟化提供了新的方法,因此,通过19 F NMR光谱法安装了特异性探针来研究肽-蛋白质相互作用。此外,硝基烷试剂可用于肽的后期多样化和肽钉的合成。
HALOGEN-CONTAINING PERYLENETETRACARBOXYLIC ACID DERIVATIVES AND THE USE THEREOF
申请人:Koenemann Martin
公开号:US20110068328A1
公开(公告)日:2011-03-24
The invention relates to compounds of the formula (I)
in which Y
1
and Y
2
are each O or, respectively, NR
a
or NR
b
, where R
a
and R
b
are each H or organyl; Z
1
to Z
4
are each O or S; R
11
to R
14
, R
21
to R
24
are each Cl, F; where 1 or 2 of the R
11
to R
14
, R
21
to R
24
radicals may also be CN and/or 1 R
11
to R
14
, R
21
to R
24
radical may be H; and where, when Y
1
is NR
a
, Z
1
or Z
2
may also be NR
c
, where R
a
and R
c
together are a bridging X group having from 2 to 5 atoms; and where, when Y
2
is NR
b
, Z
3
or Z
4
may also be NR
d
, where R
b
and R
d
together are a bridging X group having from 2 to 5 atoms;
to a process for preparation thereof, and to their use as emitter materials, charge transport materials or exciton transport materials.