Cellulosic ethanol is one of the most important biotechnological products to mitigate the consumption of fossil fuels and to increase the use of renewable resources for fuels and chemicals. By performing this ...
Authors: Luana M. Chiarello, Carlos Eduardo A. Ramos, Priscila V. Neves and Luiz P. Ramos
Production of ethanol and biogas from acetic acid-impregnated steam-pretreated wheat straw was investigated. The solid fraction after pretreatment was used at high solids concentrations to generate ethanol by ...
Authors: Elisabeth Joelsson, Dora Dienes, Krisztina Kovacs, Mats Galbe and Ola Wallberg
Nonribosomal peptides are products that fall into the class of secondary metabolites with a diverse properties as toxins, siderophores, pigments, or antibiotics, among others. Unlike other proteins, its biosyn...
Authors: Mario Alberto Martínez-Núñez and Víctor Eric López y López
Rubber seed oil (RSO) derived from rubber seeds is considered a promising plant oil. However, subsequent biodiesel synthesis from RSO was reported to be difficult due to the high acidity of the oil. Detailed s...
Authors: Muhammad Yusuf Abduh, Robert Manurung and Hero Jan Heeres
Castor oil is increasingly becoming an important bio-based raw material for industrial applications. The oil is non-edible and can be extracted from castor seeds from the castor plant belonging to the family E...
Agricultural residues, such as wheat straw, are feasible substrates for ethanol fermentation provided that pentoses and hexoses can be converted efficiently. Separate hydrolysis and cofermentation (SHCF) const...
Authors: Fredrik Nielsen, Guido Zacchi, Mats Galbe and Ola Wallberg
Renewable feedstocks and bio-refinery concepts are the key to a successful transition to a sustainable chemical industry. One conceivable refinery concept is based on pyrolysis oils from biomass, though these ...
Authors: Wolfgang Olbrich, Chiara Boscagli, Klaus Raffelt, Hao Zang, Nicolaus Dahmen and Jörg Sauer
The ACS Green Chemistry Institute Pharmaceutical Roundtable was formed in 2005 to encourage the incorporation of green chemistry techniques into the synthetic pathways of pharmaceuticals. Through this initiati...
Authors: Brian M. Agee, Gene Mullins and Daniel J. Swartling
Valorization of lignin from biofuel production is the key to developing biorefinery technologies for sustainable and economic utilization of lignocellulosic biomass. Here we present isolating lignosulfonate fr...
Authors: Yanlin Qin, Dongjie Yang, Feng Gu, Xuzhao Li, Wenlong Xiong and J. Y. Zhu
Driven by legislation and evolving attitudes towards environmental issues, establishing green solvents for extractions, separations, formulations and reaction chemistry has become an increasingly important are...
Authors: Fergal P. Byrne, Saimeng Jin, Giulia Paggiola, Tabitha H. M. Petchey, James H. Clark, Thomas J. Farmer, Andrew J. Hunt, C. Robert McElroy and James Sherwood
Dilute-acid pretreatment has proven to be a robust means of converting herbaceous feedstock to fermentable sugars. However, it also releases acetic acid, a known fermentation inhibitor, from acetyl groups pres...
Authors: Joseph Shekiro III, Xiaowen Chen, Holly Smith and Melvin P. Tucker
Carbohydrates-rich materials are partly degraded during alkaline kraft pulping into a complex mixture of aliphatic carboxylic acids consisting of α-glucoisosaccharinic acid as one of the main acids. On the oth...
The adequacy of an organism to the environment depends in part on its ability to modify its repertoire of cellular components, such as transporters, regulatory proteins and metabolic enzymes. In this review we...
Authors: Mario Alberto Martínez-Núñez and Ernesto Pérez-Rueda
Enzyme promiscuity is defined as the capability of an enzyme to catalyze a reaction other than the reaction for which it has been specialized. Although, enzyme is known for its specificity, many enzymes are re...
Fatty acids from vegetable oils are useful building blocks for industrial materials. The purpose of this work was to prepare erucic acid with high purity from a vegetable oil. High purity erucic acid is used f...
Authors: Natalia Volkova, Xueyuan Li, Li-Hua Zhu and Patrick Adlercreutz
Protic ionic liquids (PILs) have been suggested as “greener” alternatives to conventional solvents in various industrial applications. In order to assess their suitability for such purposes, a thorough evaluat...
Authors: Joshua E. S. J. Reid, Neil Sullivan, Lorna Swift, Guy A. Hembury, Seishi Shimizu and Adam J. Walker
Alcohols are widely used, and sometimes renewable, reagents but the hydroxyl moiety is a relatively poor leaving group under mild conditions. Direct nucleophilic substitution of alcohols is a desirable reactio...
Authors: Chad F. Petten, Hassan A. Kalviri and Francesca M. Kerton
Miscanthus is a major bioenergy crop in Europe and a potential feedstock for second generation biofuels. The most efficient and realistic method to produce fermentable sugars from lign...
Authors: Zongyuan Zhu, Duncan J. Macquarrie, Rachael Simister, Leonardo D. Gomez and Simon J. McQueen-Mason
The lipase enzyme converts long chain acyltriglycerides into di- and monoglycerides, glycerol and fatty acids. The catalytic site in lipase is situated deep inside the molecule. It is connected through a tunne...
Authors: Mukesh Kumar, Joyeeta Mukherjee, Mau Sinha, Punit Kaur, Sujata Sharma, Munishwar Nath Gupta and Tej Pal Singh
Butadiene sulfone has been employed as a “volatile”, recyclable dipolar, aprotic solvent in the reaction of benzyl halide with metal azides to form benzyl azide (1) and the subsequent reaction of benzyl azide ...
Authors: Yong Huang, Esteban E. Ureña-Benavides, Afrah J. Boigny, Zachary S. Campbell, Fiaz S. Mohammed, Jason S. Fisk, Bruce Holden, Charles A. Eckert, Pamela Pollet and Charles L. Liotta
Deep eutectic solvents (DES) have recently emerged as promising non-hazardous environmentally-friendly solvents. In this respect, the use of DES as media for multi-step enzyme-organocatalysis (C–C bond formati...
Authors: Christoph R Müller, Andreas Rosen and Pablo Domínguez de María
An efficient and high yielding process for the production of impurity free rivaroxaban (1), an anti-coagulant agent using alternate synthon is reported. The key components of the process involve; synthesis of 4-(...
Authors: Anil C Mali, Dattatray G Deshmukh, Divyesh R Joshi, Hitesh D Lad, Priyank I Patel, Vijay J Medhane and Vijayavitthal T Mathad
At present, customers are more conscious about the quality of clothing items. As a result, it becomes more challenging for the manufacturers to maintain the consistent dyeing quality. Unlevelness is generally ...
This review paper presents the current state of the art on maleic acid synthesis from biomass-derived chemicals over homogeneous or heterogeneous catalysts. It is based on the most recent publications on the t...
Authors: Robert Wojcieszak, Francesco Santarelli, Sébastien Paul, Franck Dumeignil, Fabrizio Cavani and Renato V Gonçalves
5-Hydroxymethylfurfural (HMF), an important biobased platform chemical, is accessible by the acid catalysed conversion of biopolymers containing hexoses (cellulose, starch, inulin) and monomeric sugars derived...
Authors: B A Fachri, R M Abdilla, C B Rasrendra and H J Heeres
