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Chemistry World
May 29, 2013
Paul Docherty
Pactamycin A member of a 'rival' field stating that a molecule is 'inaccessible by synthetic organic chemistry' is like a red rag to the proverbial bull. This challenge surrounds analogs of pactamycin, a complex cyclopentane-based target with an exceptionally potent biological profile. mark for My Articles similar articles
Chemistry World
July 1, 2012
Paul Docherty
Vincorine Cage-structured natural products are some of the most appealing (if perhaps not appetising) targets for organic chemists -- perhaps due to their obvious intricacy of form, but also because of their structural rigidity. mark for My Articles similar articles
Chemistry World
February 2011
Paul Docherty
Column: Totally Synthetic Although most of the natural products I've discussed have had biological activity at the core of the rationale for their synthesis, most organic chemists will admit that an unusual chemical structure is by far the stronger draw. mark for My Articles similar articles
Chemistry World
June 2010
Paul Docherty
Column: Totally Synthetic Although its chemistry is mature and varied, my use of silicon reagents in my synthetic forays has been limited to a somewhat clumsy use of hydroxyl protecting groups. mark for My Articles similar articles
Chemistry World
September 20, 2007
Lewis Brindley
New Catalyst Rings the Changes Organic chemists in the US have developed a method to control the stereochemistry of a useful intramolecular Diels-Alder reaction. mark for My Articles similar articles
Chemistry World
February 2012
Paul Docherty
Column: Totally Synthetic Medium rings are a beguiling feature found in a host of natural products, owing to their behavioral oddities. mark for My Articles similar articles
Chemistry World
March 2011
Paul Docherty
Column: Totally Synthetic Discovered independently by two chemists in the 1870s, it's remarkable that 140 years later, science is still tweaking and improving the aldol reaction. mark for My Articles similar articles
Chemistry World
July 2009
Paul Docherty
Column: Totally Synthetic When it comes to making large natural products, different researchers will often propose identical 'end-game' strategies to complete the target. mark for My Articles similar articles
Chemistry World
April 2010
Paul Docherty
Column: Totally Synthetic When one attempts the first synthesis of a natural product, the set of challenges are often unknown; which intermediates are either inaccessible or unstable, for instance. mark for My Articles similar articles
Chemistry World
November 27, 2012
Paul Docherty
Pentalenolactone A methyl ester One team that really gets the Pauson -- Khand reaction or the PKR and all its nuances is that led by Zhen Yang at Peking University in Beijing, China. They recently published a very neat synthesis of the intricate pentalenolactone mark for My Articles similar articles
Chemistry World
June 1, 2012
Paul Docherty
atrop-Abyssomicin C This member of the abyssomicin family is the only one to achieve bacteria-bashing prowess, and is also the only one to feature atropisomerism -- a relatively unusual form of stereoisomerism in naturally occurring species mark for My Articles similar articles
Chemistry World
August 2009
Paul Docherty
Column: Totally Synthetic Richmond Sarpong's research group at University of California, Berkeley, US, have taken quite an interest in lyconadin A, publishing an initial, racemic synthesis. mark for My Articles similar articles
Chemistry World
October 31, 2012
Paul Docherty
Epicoccin G The class of natural products known as 2,5-diketopiperazines is both broad and synthetically well-trodden. An important sub-class of these targets are found with a sprinkling of sulfur atoms, and seem particularly well-suited to pathogen-bashing. mark for My Articles similar articles
Chemistry World
October 2008
Paul Docherty
Column: Totally Synthetic Samuel Danishefsky of Columbia University (and the Sloan-Kettering Institute for cancer research), has focused on function rather than family. His many synthetic conquests are unified by their cancer-busting potential. mark for My Articles similar articles
Chemistry World
June 2011
Column: Totally Synthetic I've never heard of the Polonovski-Potier reaction, the keystone of a remarkable synthesis by a team led by Tohru Fukuyama at the University of Tokyo, Japan. mark for My Articles similar articles
Chemistry World
April 11, 2014
The sultan of synthesis Phil Baran is spurring organic chemists to rethink how they make complex compounds, as Mark Peplow discovers mark for My Articles similar articles
Chemistry World
May 2010
Paul Docherty
Column: Totally Synthetic In the case of englerin A, the synthetic strategies used by Dawei Ma's group at the Chinese Academy of Sciences, Shanghai, China, 1 and Antonio Echavarren's team at Rovira and Virgili University, Tarragona, Spain, 2 are extremely similar. mark for My Articles similar articles
Chemistry World
January 2009
Paul Docherty
Column: Totally Synthetic In the search for new biologically active natural products, sometimes a team isolating a new compound family will be lucky enough to find one active member. mark for My Articles similar articles
Chemistry World
June 2008
Paul Docherty
Column: Totally Synthetic Harvard University's David Evans is renowned for his prowess with an aldol reaction, and he has used the endlessly flexible transformation to make a diverse range of natural products. mark for My Articles similar articles
Chemistry World
September 2008
Paul Docherty
Column: Totally Synthetic The need to discover new antibiotics to treat resistant strains of bacteria is a well- documented and discussed challenge for chemists. mark for My Articles similar articles
Chemistry World
January 29, 2014
Organic matter: Indoxamycins A, C and F In 2012, Erick Carreira's group in Zurich reported the total synthesis of indoxamycin B. 1 This 24-step organometallic tour de force resulted in a structural reassignment and set the bar rather high for future work on this family. mark for My Articles similar articles
Chemistry World
November 2007
Dylan Stiles
Column: Bench Monkey Total synthesis is not immune to the vagaries of fickle fashion. mark for My Articles similar articles
Chemistry World
September 4, 2008
Fred Campbell
Two catalysts better than one US researchers have cracked a long standing problem in chemical synthesis - the catalytic alpha-alkylation of aldehydes - by combining two catalysts in one pot. mark for My Articles similar articles
Chemistry World
August 29, 2012
Paul Docherty
Amphidinolide F We're plunging into the marine depths to find natural products with prodigious biological activity. The amphidinolide family comprises over 30 members, varying in architecture but (almost) all featuring a complex and highly decorated macrolactone ring at the core. mark for My Articles similar articles
Chemistry World
January 2, 2013
Paul Docherty
Flueggine A One of the most prolific sources of biologically active natural products is traditional medicines -- whose active components can be exceptionally potent. The Euphorbiaceae family of plants is a productive source of medicinal targets, including the Securinega alkaloids. mark for My Articles similar articles
Chemistry World
October 2010
Paul Docherty
Barekoxide and barekol Like most scientists, organic chemists can often obsess about a problem, endlessly pursuing the perfect yield or enantioselectivity, often leading to tears and broken glassware. mark for My Articles similar articles
Chemistry World
November 2, 2015
Batzelladine B Of all the diverse substances that nature produces, the alkaloids -- small molecules containing basic nitrogen -- have had the greatest impact on human history and health. mark for My Articles similar articles
Chemistry World
January 28, 2015
Rubriflordilactone A It's likely that organic chemists have been practicing retrosynthesis in one form or another for at least a century, and certainly for decades before E J Corey formalized the concept in the mid-1990s mark for My Articles similar articles
Chemistry World
June 29, 2015
Organic odysseys Valuable compounds often come from the strangest places, and in such small concentrations that synthetic chemistry has to step up. mark for My Articles similar articles
Chemistry World
September 2, 2013
Paul Docherty
Steviol A discussion is presented on new ways to synthesize the diterpenoid steviol. mark for My Articles similar articles
Chemistry World
July 30, 2014
Psylloborine A It's a somewhat surprising assertion that almost a fifth of natural products are thought to include a dimerization step somewhere in their biosynthesis. mark for My Articles similar articles
Chemistry World
February 2009
Paul Docherty
Column: Totally Synthetic The farming squeeze has renewed interest in compounds with anti-insect abilities, especially those known for their activity against specific pests. mark for My Articles similar articles
Chemistry World
March 2009
Paul Docherty
Column: Totally Synthetic Marine waters have produced some of the biggest celebrities of the natural product world - including the brevitoxins, saxitoxins and tetrodotoxins, 1 famous as much for the sheer human effort needed for their landmark syntheses as for their complexity and size. mark for My Articles similar articles
Chemistry World
August 30, 2009
Phillip Broadwith
C-H oxidation proves its worth US researchers are going against the grain of total synthesis and developing new approaches to complex molecules. mark for My Articles similar articles
Chemistry World
March 8, 2006
Simon Hadlington
New Route to C-Glycoside Creation Overcomes Earlier Drawbacks A one-pot process for creating C-glycosides could help prepare robust analogues of naturally occurring carbohydrates. The technique could ultimately be used to make carbohydrate derivatives more widely available for use in applications from drugs to biosensors. mark for My Articles similar articles
Chemistry World
August 2008
Paul Docherty
Column: Totally Synthetic Impersonating nature isn't easy, and biomimetic syntheses are remarkable in two senses. mark for My Articles similar articles
Chemistry World
July 2008
Paul Docherty
Column: Totally Synthetic The target is hypocrellin A, which couldn't look much less like last month's callipeltoside A. Even a casual glance reveals one intriguing feature of this target - the fact it exists in equilibrium with an isomer. mark for My Articles similar articles
Chemistry World
April 2011
Paul Docherty
Column: Totally Synthetic Reactions in the synthesis of guanacastepene N. Discovered in fungi growing on trees in the Guanacaste conservation area in Costa Rica, several syntheses of this family have appeared in the decade since their isolation. mark for My Articles similar articles
Chemistry World
May 2012
Paul Docherty
Column: Totally Synthetic Hopeanol and hopeahainol A mark for My Articles similar articles
Chemistry World
April 2012
Paul Docherty
Column: Totally Synthetic Detecting rearrangements still seems like an abstract ability for aspiring synthetic chemists. Erick Carreira's synthesis of indoxamycin B is a great case in point, employing two rearrangement reactions. mark for My Articles similar articles
Chemistry World
August 2011
Paul Docherty
Column: Totally Synthetic Yuanhuapin, a fabulously complex member of the daphnane diterpene orthoester class of natural products, bears an astonishing twelve contiguous stereogenic centres around its seven rings (look closely!). mark for My Articles similar articles
Chemistry World
November 2009
Paul Docherty
Column: Totally Synthetic The hunt for anticancer therapies is inextricably linked with natural products (such as taxol), and more specifically with macrolides. mark for My Articles similar articles
Chemistry World
June 27, 2013
Paul Docherty
Bolivianine The still-growing and insanely diverse class of terpene natural products is probably responsible for a considerable number of undergraduate headaches. mark for My Articles similar articles
Chemistry World
September 2010
Paul Docherty
Column: Totally Synthetic After a target has been synthesised, and the question of 'can we make this?' has been answered, perhaps the most important remaining question is 'how did nature make it?' mark for My Articles similar articles
Chemistry World
October 2009
Column: In the pipeline Derek Lowe discusses the problem of leaning too heavily on favorite reactions mark for My Articles similar articles
Chemistry World
August 2010
Paul Docherty
Column: Totally Synthetic The total synthesis of macrolide targets is now a relatively mature field. Any synthesis that bucks these trends grabs attention, with a recent publication of dictyosphaeric acid A by Richard Taylor's team at the University of York, UK, a case in point. mark for My Articles similar articles
Chemistry World
July 10, 2013
Karl Collins
An 'Aye' for details Today, using methods developed by masters of their trade, the modern greats of total synthesis demonstrate that almost any molecule can be prepared given time and effort. mark for My Articles similar articles
Chemistry World
August 2007
Derek Lowe
Opinion: In the Pipeline Process chemists just don't get the credit they deserve. mark for My Articles similar articles
Chemistry World
November 16, 2012
Yuandi Li
(+)-Myrrhanol C made Spanish chemists have completed the stereospecific total synthesis of (+)-myrrhanol C. This compound is a natural triterpene isolated from mastic gum, a substance well known for its medicinal properties as well as use in various cuisines. mark for My Articles similar articles
Chemistry World
December 2009
Paul Docherty
Column: Totally Synthetic What turns a good synthesis into a great synthesis are the steps surrounding that motif, something that Darren Dixon from the University of Oxford, UK, exemplifies with this synthesis of Nakadomarin A. mark for My Articles similar articles