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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. |
Chemistry World November 2010 Paul Docherty |
Column: Totally Synthetic Perhaps the most familiar (and dull - they do say that familiarity breeds contempt.) chemical reaction to medicinal chemists is the amide bond formation. |
Chemistry World June 2009 Paul Docherty |
Column: Totally Synthetic With potent bacteria-beating activity, it's no surprise that kendomycin has recently grabbed quite a bit of attention. |
Chemistry World February 2010 Paul Docherty |
Column: Totally Synthetic Palau'amine is an alkaloid which has stubbornly held off synthesis for over 15 years. Its nemesis comes in the form of Phil Baran at the Scripps Research Institute, La Jolla, US. |
Chemistry World May 8, 2014 |
Mandelalide A The recent synthesis of the proposed structure of mandelalide A is a good example of a well-designed route that seamlessly integrates some cutting-edge chemistry. |
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. |
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 |
Chemistry World October 2009 Paul Docherty |
Column: Totally Synthetic It's been a while since I've seen such a battle for the 'first publication' of a molecule as has recently been witnessed for haplophytine. |
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. |
Chemistry World September 2, 2013 Paul Docherty |
Steviol A discussion is presented on new ways to synthesize the diterpenoid steviol. |
Chemistry World February 4, 2011 Elinor Richards |
Strychnine in just six steps Strychnine, best known as a poison but also used medicinally as a stimulant, can now be synthesised in just six steps, say US scientists. |
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. |
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. |
Chemistry World June 13, 2008 Richard Van Noorden |
Asymmetric ketone catalysis gets pharma-scale makeover An asymmetric catalysis reaction limited to laboratory syntheses has received a makeover that could see it used on a large scale by drug-makers. |
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. |
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 |
Chemistry World November 27, 2008 Lewis Brindley |
Bryostatin Synthesis Made Simple US chemists have dramatically shortened the synthesis of byrostatin 16, one of a family of natural products that show promising activity against cancer but can't easily be extracted from nature or made artificially. |
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. |
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. |
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. |
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. |
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. |
Chemistry World January 2012 Paul Docherty |
Column: Totally Synthetic What a Japanese team demonstrates in this synthesis of dragmacidin D is the state of the art, uniting all the key fragments using C-H bond couplings. |
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. |
Chemistry World March 21, 2007 Alison Stoddart |
Synthesis Strategy Offers no Protection A radically different approach to constructing complex molecules could help to tap the pharmaceutical potential of natural products. |
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. |
Chemistry World August 1, 2013 James Urquhart |
Total synthesis outshines biotech route to anticancer drug US scientists have developed the first efficient and scalable route for the total synthesis of ingenol -- a plant-derived diterpenoid used to treat precancerous skin legions. |
Chemistry World July 2011 Paul Docherty |
Column: Totally Synthetic At first glance rippertenol looks a mere hop-skip-and-jump from its parent. However, a more careful examination reveals a stray methyl group at C1, complicating the synthesis of an already tricky target. |
Chemistry World December 2010 Paul Docherty |
Column: Totally Synthetic In a conversation at the beginning of this year, a friend and I considered the most challenging targets available to the total-synthesizer - and maoecrystal V was at the top of the list. |
Chemistry World October 29, 2014 |
Lycopodium alkaloids Not all natural products are created equal. A glance at the total synthesis literature from the past decade is enough to discover that some molecules attract a lot more attention than others. |
Chemistry World July 9, 2012 Phillip Broadwith |
'Molecular cobra' turns C-H to C=C A reagent developed by US chemists can selectively introduce synthetically useful C=C double bonds into unactivated carbon chains, guided by an activating group attached to a nearby oxygen or nitrogen atom. |
Chemistry World January 2010 Paul Docherty |
Column: Totally Synthetic Of all the natural product classes, the steroid family are perhaps the most prevalent in the public consciousness; from cholesterol to testosterone, their infamy inflates the 'science bit' in countless advertisements. |
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 |
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. |
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. |
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. |
Chemistry World July 2010 Paul Docherty |
Column: Totally Synthetic Isolated in 1986, the steroid family of aplykurodinones have shown selective cytotoxicity in a variety of cancer cell lines, and add to the phenomenal list of steroids with potent medicinal properties. |
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!). |
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. |
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. |
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. |
Chemistry World February 2011 |
Column: In the pipeline Enzymes have been giving chemists inferiority complexes since day one, says Derek Lowe. But there's no denying their potential |
Chemistry World November 3, 2008 Simon Hadlington |
Organic synthesis set for auto-pilot Peptides are routinely made by machines that couple together amino acid components. Could organic synthesis ever get this simple? |
Chemistry World December 20, 2007 Richard Van Noorden |
Off-the-Peg Organic Synthesis Goes Commercial Chemists have created an efficient way to make small molecules by repeatedly using just one coupling reaction to clip together pre-prepared chemical fragments is going commercial. |
Chemistry World July 30, 2013 Paul Docherty |
Melotenine A Chirality, where would we be without you? Often the bane of the synthetic chemist's life, the challenge of asymmetry is perhaps what makes total synthesis so endlessly intriguing. |
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. |
Chemistry World August 2007 Derek Lowe |
Opinion: In the Pipeline Process chemists just don't get the credit they deserve. |
Chemistry World November 24, 2011 Elinor Richards |
Blocking cancer's path A concise synthesis of the natural product rasfonin could reignite interest in this molecule as a tool to develop cancer drugs, say scientists from the Netherlands. |
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. |
Chemistry World November 2008 Paul Docherty |
Column: Totally Synthetic Vannusal B -- This is a classic case of misassigned identity - the structure published by the researchers who first isolated the compound from its natural source has been recreated via total synthesis, and found wanting. |