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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 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 April 14, 2009 Lewis Brindley |
Osmium and pyridine ring together Organic chemists in China have found a way to put osmium into a pyridine ring - leading to the synthesis of the first metallapyridinium complex. |
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 July 14, 2011 Simon Hadlington |
Natural Products Made Via a Single Parent Molecule Chemists in the US have taken inspiration from nature to devise a new concept for rapidly and efficiently synthesising structurally diverse natural products from a single common precursor. |
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 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 May 29, 2015 Derek Lowe |
Magic molecule modifiers The synthesis of a new organic molecule can be approached in several ways. |
Chemistry World November 2011 Paul Docherty |
Column: Totally Synthetic Gelsemoxonine has an extra four-membered azetidine ring, making for a considerable synthetic challenge. |
Chemistry World November 5, 2013 Paul Docherty |
Marcfortines B & C Natural product isolation is generally a tale of a journey to an obscure or inaccessible location, followed by pulping a harmless plant or marine sponge to get at compounds made by some bacteria hiding out in the core. |
Chemistry World February 21, 2007 Tom Westgate |
Complex Organic Molecules Teamed with Iodine Chemists have developed a method for constructing complex halogen-containing organic molecules from simple compounds in a single step. The discovery could pave the way for the synthesis of many potentially useful naturally occurring molecules. |
Chemistry World November 1, 2007 Richard Van Noorden |
Step Change for Organic Synthesis US chemists discovered how to attack a complex molecule's unreactive carbon-hydrogen bonds, without resorting to wasteful synthetic aids like protecting and directing groups. |
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 January 9, 2014 James Urquhart |
Simple route to add nitrogen to drugs US researchers have discovered a simple one-pot, scaleable way to synthesize aziridines -- three-membered rings that are important building blocks for introducing nitrogen into more complex molecules, including medicinal drugs. |
Chemistry World March 2012 |
Lead-oriented synthesis Ian Churcher and Alan Nadin call for the development of more robust synthetic tools to improve small molecule survival rates in the perilous journey from lead to drug |
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 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 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 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 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 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 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. |
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. |
Chemistry World December 2008 Paul Docherty |
Column: Totally Synthetic Pseudolaric acid B: regular readers of this column's online incarnation will have noticed that this is the second appearance for this particular synthesis. |
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?' |
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 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 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 March 19, 2009 Manisha Lalloo |
Copper catalysts give meta aromatics UK Researchers have discovered that, simply by using a copper catalyst, they are able to perform tricky substitution reactions at a difficult position on benzene rings |
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 September 6, 2006 Michael Gross |
Selective Shortcut Chemists have developed a simple catalyst that speeds up the synthesis of a chiral protected building block used in many complex syntheses. |
Chemistry World July 3, 2015 Andy Extance |
Copper catalysis overcomes double bond trouble Some carbon-carbon double bonds seem too unreactive for synthetic use -- but that's just how chemists in the US are now exploiting them. |
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 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 July 23, 2012 Melissae Fellet |
RNA wrapper protects small molecules Step aside benzene rings, there's a new protecting group in town. Dutch researchers have used a strand of RNA to cover portions of a complex small molecule. They then chemically modified a portion of the molecule not covered by the RNA. |
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. |
Chemistry World September 29, 2015 |
Navigating chemical space How big is chemistry? I don't mean how important is it, or how many people do it, but rather, how many molecules are there that we could make? |
Chemistry World September 2009 Paul Docherty |
Column: Totally Synthetic Maduropeptin chromophore (the active component of a chromopore-protein complex, noted as for its potent antitumor and antibiotic activity) is built of two distinct domains |
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 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 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 May 2009 Paul Docherty |
Column: Totally Synthetic After a glorious 1980s and 90s as the pin-ups of total synthesis, it seems that the macrolides are now passe, and all the cool kids have moved on to work on alkaloid natural products |
Chemistry World May 31, 2009 Nina Notman |
The natural approach to winning at drug discovery High throughput drug screening is often described as a casino, with the odds stacked on the side of success as long as a big enough library is used. |
Chemistry World February 28, 2013 Paul Docherty |
Lyconadin A Since its isolation from the clubmoss Lycopodium complanatum in 2001, lyconadina A has been party to three total syntheses. All that interest stems from anti-Alzheimer's activity attributed to the lycopodium family. |
Chemistry World August 2007 Derek Lowe |
Opinion: In the Pipeline Process chemists just don't get the credit they deserve. |
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 |
Chemistry World October 1, 2012 Paul Docherty |
Prostaglandin F2I There's been no shortage of grant funding for synthetic chemistry of the prostaglandins, keeping some of the finest minds in organic chemistry engaged over the last five decades. |
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 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 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. |