Green Technology News

Metal-free tandem cyclization/hydrosilylation to construct tetrahydroquinoxalines

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 12:32

Green Chem., 2018, Advance Article
DOI: 10.1039/C7GC03095A, PaperYixiao Pan, Changjun Chen, Xin Xu, Haoqiang Zhao, Jiahong Han, Huanrong Li, Lijin Xu, Qinghua Fan, Jianliang Xiao
B(C6F5)3-Catalyzed tandem cyclization/hydrosilylation for the step-economical construction of 1,2,3,4-tetrahydroquinoxalines from readily available starting materials has been developed.
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High performance man-made cellulosic fibres from recycled newsprint

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 12:32

Green Chem., 2018, Advance Article
DOI: 10.1039/C7GC02896B, PaperY. Ma, M. Hummel, I. Kontro, H. Sixta
High performance man-made cellulosic fibres from recycled newsprint.
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The reactions of dimethyl carbonate and its derivatives

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 12:32

Green Chem., 2018, Advance Article
DOI: 10.1039/C7GC01764B, Critical ReviewP. Tundo, M. Musolino, F. Arico
The worldwide urge to embrace a sustainable and bio-compatible chemistry has led industry and academia to develop chlorine-free methodologies focused on the use of CO2-based compounds, such as dimethyl carbonate, as feedstocks, promoters and reaction media.
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Good and Bad EV and Off Grid Forecasting

Alternative Energy - Mon, 12/04/2017 - 12:04
Factor in trials of autonomous taxi-buses from Switzerland to New Zealand and the rise in internet shopping using electric delivery vans. They are all going to hit car sales, including taxis.
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SEIA Testifies on the State of the New Jersey Solar Market

Alternative Energy - Mon, 12/04/2017 - 12:03
“Unless the Legislature acts soon, market forces will bring solar installations to a halt sometime next year. This threatens both the Garden State’s stance as a national solar leader and the jobs of the more than 6,000 Americans working in solar in New Jersey today.
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Sustainable method toward melamine-based conjugated polymer semiconductors for efficient photocatalytic hydrogen production under visible light

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 11:31
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC02231J, PaperXiubing Huang, Zhenyu Wu, Haiyan Zheng, Wenjun Dong, Ge Wang
The search for conjugated polymer photocatalysts for H2 production under wide-range visible light remains a key challenge. Reported herein is a conjugated polymer (i.e., melamine-terephthalaldehyde polymer (PMTPA)) derived from melamine...
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Organic oxidations promoted in vortex driven thin films under continuous flow

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 10:30

Green Chem., 2018, Advance Article
DOI: 10.1039/C7GC03352D, CommunicationScott J. Pye, Scott J. Dalgarno, Justin M. Chalker, Colin L. Raston
Continuous flow vortex microfluidics is effective in overcoming limitations in using oxygen, hydrogen peroxide and bleach as oxidants.
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Solar powered smart windows break 11% efficiency

John Fitzgerald Weaver for Electrek: The smart window lowers building temperatures by shifting from clear to opaque under strong sunlight. When the shift to opaque occurs, the solar prototype begins electricity production.
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A strategy of ketalization for catalytic selective dehydration of biomass-based polyols over H-beta zeolite

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 08:28
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC03248J, PaperPenghua Che, Fang Lu, Xiaoqin Si, Hong Ma, Xin Nie, Jie Xu
Biomass contains plentiful hydroxyl groups that cause oxygen-rich structure compared with petroleum-based chemicals. Dehydration is the most energy-efficient technique to remove oxygen, however multiple similar vicinal hydroxyl groups in sugar...
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Recyclable Cu/C3N4 composite catalysed homo- and cross-coupling of terminal alkynes under mild conditions

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 08:28
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC03120C, CommunicationHang Xu, Keying Wu, Jing Tian, Li Zhu, Xiaoquan Yao
A Cu/C3N4 composite was prepared and utilized as an highly efficient and environmental friendly catalyst for homo- & cross-coupling of terminal alkynes. Excellent functional group tolerance and good yields were...
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A catalyst-free, waste-less ethanol-based solvothermal synthesis of amides

RSC - Green Chem. latest articles - Mon, 12/04/2017 - 08:28
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC02967E, CommunicationFrancesca Dalu, Mariano A. Scorciapino, Claudio Cara, Alberto Luridiana, Anna Musinu, Mariano Casu, Francesco Secci, Carla Cannas
A green one-pot approach based on the solvothermal amidation of carboxylic acids with amines has been developed for the synthesis of diverse aliphatic and aromatic amides. It does not require...
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Solar FlexRack to Attend Solar Canada in December

Alternative Energy - Sat, 12/02/2017 - 08:49
Largest solar energy show in Canada kicks off on Monday
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Towards sustainable kinetic resolution, a combination of bio-catalysis, flow chemistry and more sustainable bio-based solvents

RSC - Green Chem. latest articles - Fri, 12/01/2017 - 14:04
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC03177G, CommunicationAndree Iemhoff, James Sherwood, Con Robert McElroy, Andrew J Hunt
The esterification of 2-phenylpropionic acid was investigated as a model system for enzyme catalysed (CALB, Novozyme 435) reactions in bio-based solvents. A multi-parameter correlation taking into account solvent parameters was...
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UK's Y Pellets Gears Up for Busiest Period with Significant Investment

Alternative Energy - Fri, 12/01/2017 - 12:18
National biomass wood pellet supplier, Y Pellets, is becoming a driving force within the UK's biomass fuel market by gearing up for its busiest time of year with a significant investment in new, specially-equipped delivery vehicles.
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Correction: Visible-light-mediated aerobic selenation of (hetero)arenes with diselenides

RSC - Green Chem. latest articles - Fri, 12/01/2017 - 10:50
Green Chem., 2017, Advance Article
DOI: 10.1039/C7GC90119D, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Qing-Bao Zhang, Yong-Liang Ban, Pan-Feng Yuan, Shou-Jiao Peng, Jian-Guo Fang, Li-Zhu Wu, Qiang Liu
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Combining solar panels and agriculture makes land more productive

Karen Graham for Digital Journal: An agrophotovoltaics (APV) pilot project conducted at Lake Constance has proven that farming and the use of solar panels can be compatible.
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Emerson Introduces Scalable Automation Technology Designed for Fast-Growing Renewable Power and Microgrid Markets

Alternative Energy - Fri, 12/01/2017 - 08:58
Ovation™ OCC100 controller extends control platform to small-scale and remote applications
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Power specialist urges renewable reform

Alternative Energy - Fri, 12/01/2017 - 08:57
Power quality specialist REO UK is urging businesses to reconsider their relationship with renewable energy. The company has released a whitepaper exploring the state of the renewable energy sector and argues that the time is ripe for organisations to think about how they can overcome problems such as the changes to feed-in tariffs, power quality problems, planning permission and the threat from cheap imports of renewable technology.
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FUGRO WINS ØRSTED CONTRACTS FOR SITE INVESTIGATIONS AT TWO LARGE-SCALE U.S. OFFSHORE WIND PROJECTS

Alternative Energy - Fri, 12/01/2017 - 08:57
Fugro has been awarded contracts by Ørsted to undertake geotechnical investigations at two large-scale offshore wind development sites. Ørsted is pursuing the development of these two new projects - Bay State Wind, located 15 miles off the coast of Martha's Vineyard, Massachusetts and Ocean Wind, 10 miles off the New Jersey coast - to bring wind energy to American consumers and businesses.
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Visible-light-induced regioselective sulfenylation of imidazopyridines with thiols under transition metal-free conditions

RSC - Green Chem. latest articles - Thu, 11/30/2017 - 22:33
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC02906C, CommunicationRajjakfur Rahaman, Shivasish Das, Pranjit Barman
A metal-free visible-light-promoted regioselective C-3 sulfenylation of imidazo[1,2-a]pyridines and indoles using thiols has been developed via C(sp2)-H functionalization. This method provides a direct access to a wide range of structurally...
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