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Santa Clara Valley Section Newsletter American Chemical Society November 2007 Volume 29 No. 11 January Dinner Meeting: Cascade Radical Annulation: From Curiosity to the Clinic Chair’s Message Mosher Award November Dinner Meeting: Chemical Magic from the Grocery Store: Dispel Chemophobia ACS Podcasting Science for Members and Public Highlights of National Chemistry Week NOVEMBER 2007 NEWSLETTER TOPICS January Dinner Meeting Cascade Radical Annulations: From Curiosity to the Clinic Dennis P. Curran January Dinner Meeting Date: Monday, January 7, 2008 Time: 6:00 Social Hour 7:00 Dinner 8:00 Presentation Location: Biltmore Hotel & Suites 2151 Laurelwood Blvd. Santa Clara, CA 95054 Speaker: Dr. Dennis P. Curran University of Pittsburgh Cascade Radical Annulations Cost: $27.00 with the choice of Grilled Salmon or Vegetarian Crepes Includes wine with dinner. Reservations: www.scvacs.org Shirley Radding 408-246-2564 ` 408-296-8625 Fax Reservations should be made by January 3rd stating your name, address, company affiliation, number of people in party, and menu selection. If you are unable to honor your reservation and do not cancel by Friday, January 4th, you will be invoiced following the din- ner meeting. Abstract: The road to drug discovery and develop- ment in an aca- demic setting is a long and tor- tuous one, espe- cially if you don’t even set out to discover a drug in the first place. Having developed many 3-atom + 2-atom radical annula- tions during the 1980’s, we became curious around 1990 whether we could develop a 4-atom + 1-atom rad- ical annulation. The reaction that we discovered was not entirely the one that we planned, but in many ways it proved even more interesting. One thing lead to another, and soon we were making the anti-cancer agent camptothecin, and later new analogs. and the chemistry and biology results eventually lead to the preclinical and By the time you read this, Dr. Andy Sae may have given his talk about Chemical Magic from the Grocery Store. If it’s not too late, be sure to sign up on our website: www.scvacs.org. If you can’t dine with us, come to hear the talk. I remember in grade school and high school “experimenting” with just about everything I could find, mostly in the kitchen, using my trusty Gilbert chemistry set. There was a certain magic about those experiments with grocery items my mom brought home from the store. There were a few surprises, like foul odors and weird happenings in my “stew”, such that I can now under- stand how phobias might be gener- ated. But I was also amazed at what happened when feeding my pot Chair’s Message continued on next page continued on next page The Santa Clara Valley Section of the American Chemical Society is the copyright owner of all material published in The Silicon Valley Chemist. No part of this publi- cation may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without advance permission in writing from the editor, particularly for commercial purposes. Authorization to photocopy items for limited internal or personal use, or the limited internal or personal use of specific clients, is granted by the Executive Committee of the Santa Clara Valley Section of the American Chemical Society. HO Si BuMe Et OH O O O N N 2 t One unusual class of new camp- tothecins bearing a silicon substituent, “silatecans”, was especially exciting,

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Page 1: NOVEMBER 2007 NEWSLETTER TOPICS January Dinner Meeting ... · ACS Podcasting Science for Members and Public ACS members now have the opportunity to share exciting, cutting-edge scientific

Santa Clara Valley Section

Newsletter

American Chemical Society

November 2007

Volume 29 No. 11

• January Dinner Meeting: CascadeRadical Annulation: FromCuriosity to the Clinic

• Chair’s Message

• Mosher Award

• November Dinner Meeting:Chemical Magic from the GroceryStore: Dispel Chemophobia

• ACS Podcasting Science forMembers and Public

• Highlights of National ChemistryWeek

NOVEMBER 2007 NEWSLETTER TOPICS January Dinner Meeting

Cascade Radical Annulations:From Curiosity to the Clinic

Dennis P. Curran

January Dinner Meeting

Date: Monday, January 7, 2008

Time: 6:00 Social Hour7:00 Dinner8:00 Presentation

Location: Biltmore Hotel & Suites2151 Laurelwood Blvd.Santa Clara, CA 95054

Speaker: Dr. Dennis P. Curran University of Pittsburgh Cascade Radical Annulations

Cost: $27.00 with the choice of Grilled Salmon or Vegetarian CrepesIncludes wine with dinner.

Reservations: www.scvacs.orgShirley Radding408-246-2564

` 408-296-8625 Fax

Reservations should be made byJanuary 3rd stating your name, address,company affiliation, number of peoplein party, and menu selection. If you areunable to honor your reservation anddo not cancel by Friday, January 4th,you will be invoiced following the din-ner meeting.

Abstract:The road to

drug discoveryand develop-ment in an aca-demic setting isa long and tor-tuous one, espe-cially if youdon’t even set out to discover a drugin the first place. Having developedmany 3-atom + 2-atom radical annula-tions during the 1980’s, we becamecurious around 1990 whether wecould develop a 4-atom + 1-atom rad-ical annulation. The reaction that wediscovered was not entirely the onethat we planned, but in many ways itproved even more interesting. Onething lead to another, and soon wewere making the anti-cancer agentcamptothecin, and later new analogs.

and the chemistry and biology resultseventually lead to the preclinical and

By the time you read this, Dr.Andy Sae may have given his talkabout Chemical Magic from theGrocery Store. If it’s not too late,be sure to sign up on our website:www.scvacs.org. If you can’t dinewith us, come to hear the talk.

I remember in grade school andhigh school “experimenting” withjust about everything I could find,mostly in the kitchen, using mytrusty Gilbert chemistry set. Therewas a certain magic about thoseexperiments with grocery items mymom brought home from the store.There were a few surprises, like foulodors and weird happenings in my“stew”, such that I can now under-stand how phobias might be gener-ated. But I was also amazed at whathappened when feeding my pot

Chair’s Message

continued on next page

continued on next page

The Santa Clara Valley Section of the American Chemical Society is the copyright owner of all material published in The Silicon Valley Chemist. No part of this publi-cation may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrievalsystem, without advance permission in writing from the editor, particularly for commercial purposes. Authorization to photocopy items for limited internal or personaluse, or the limited internal or personal use of specific clients, is granted by the Executive Committee of the Santa Clara Valley Section of the American Chemical Society.

HO

Si BuMe

Et

OH O

O

ON

N

2t

One unusual class of new camp-tothecins bearing a silicon substituent,“silatecans”, was especially exciting,

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with things like baking soda andwatching the bubbles and the move-ment. Hmmm, what’s happeninghere? I suppose these wonderingswere the genesis of my interest inchemistry. Perhaps some of youwould want to share your ownexperiences about how you gotstarted with the science. If so, sendme an email with your musing recol-lections. I’ll see that they get into thenewsletter.

We finally clarified our proposedbylaws revisions and documentedthe discussion so that we can allvote on whether to accept them. Allthis is part of an effort to make vot-ing for officers and the running ofthe section easier to do while reduc-ing costs. The Executive Committeevoted to approve the changes in thebylaws to allow electronic votingand now it’s your turn to tell uswhat you think about it. Watch themail for your ballot and VOTE. Asyou know, elections are costly andtime consuming. We hope to stream-line the process and make our fundsgo farther in supporting sectionevents such as National ChemistryWeek in October, the Teachers’Chemistry Workshop held almostevery year for the science teachersin our communities, the SectionAwards Program, and the monthlydinner meetings.

We need your help. As I havestated before and I’m sure youknow, we have a large group ofchemists in our Section at varyinglevels of expertise and education.We need your ideas and support tonot only sustain the ongoing pro-grams but develop new ones thatwill capture the young chemists,women chemists, chemistry & sci-ence teachers at all levels, and stu-dents aspiring to education andcareers in science and chemistry. Ifyou can be of service to the commu-nity and to the Society, please let usknow of your interest.

See you at a dinner meetingsoon!

George Lechner

Chair’s Message, continued from front page January Dinner Meeting, continued from front page

One of the Santa Clara Valley Section’s highest honors is the Harryand Carol Mosher Award. This award is granted annually to an ACSmember chosen from the national community who has demonstratedexcellence in chemistry, worked to ensure advancement of the chemi-cal profession and has participated fully in the ACS on a national,regional and local level. This award was established in 1980 in honorof Harry and Carol Mosher, two founding members of the Santa ClaraValley section who both epitomize these values.

The Mosher award has been presented to industrial chemists,including Paul Anderson, (Bristol-Myers Squibb, 2004), and JoginderLal, (Goodyear Tire and Rubber Company, 1996), to academicchemists including Robert Parry (University of Utah, 2006), Michael P.Doyle (University of Maryland, 2005) and Joseph Lambert(Northwestern University, 2003) and to chemists who work at non-profit research institutes including Darleane Hoffman (LawrenceBerkeley National Laboratory, 2000).

The recipients of the Mosher award are a very distinguishedgroup of individuals including at least 2 past National ACS presidents(Helen Free and Robert Parry), and multiple winners of national ACSrecognitions. This year’s recipient of the Mosher Award, Dr. DennisCurran (see adjoining story) will also be recognized in 2008 as therecipient of the ACS national award for Creative Work in FluorineChemistry. Please be sure to attend the January 7 dinner meeting tomeet with Dr. Curran.

Mosher Award

now clinical development of thesilatecan “DB-67”. This lecturerecounts the DB-67 story from curiosi-ty to the clinic.

Biography:Dennis P. Curran received his B.S.

in 1975 from Boston College. HisPh.D. was granted from the Universityof Rochester in 1979 where heworked under Professor Andrew S.Kende. After a two-year postdoctoralstay with Professor Barry M. Trost atthe University of Wisconsin, Dr.Curran joined the faculty of theChemistry Department at theUniversity of Pittsburgh in 1981. Henow holds the ranks of DistinguishedService Professor and Bayer Professorof Chemistry, and is the founder ofFluorous Technologies, Inc.(www.fluorous.com). Among otherawards, Dr. Curran has received theBlaise Pascal International ResearchChair, Préfecture de la Région D’Ile-

de-France Paris (2007-2008), thePittsburgh Award, Pittsburgh Section,American Chemical Society (2006),the Morley Medal, Cleveland Section,American Chemical Society (2006), thePittsburgh Magazine Innovators Award(2003), American Chemical SocietyAward for Creativity in OrganicSynthesis (2000) and the CopeScholar Award (1988), and theJanssen Prize for Creativity in OrganicSynthesis (1998). He is currently anISI “Highly Cited Researcher”(www.isihighlycited.com). Dr.Curran has authored over 350 papers,thirty patents and two books, and iswell known for his work in at theinterface of radical chemistry andorganic synthesis. More recently hehas made significant contributions tothe emerging discipline of fluorouschemistry. Additional information is athttp://radical.chem.pitt.edu.

❖ ❖ ❖

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New Mexico ScienceTeacher Association. He haspresented numerous chemi-cal magic shows to schoolteachers, children, and par-ents and many demonstra-tions in regional and nation-al meetings. He participated

in the ACS Operation ChemistryTraining of Trainers Program in 1994and has conducted many scienceteacher workshops. Dr. Sae wasnamed the 1998-1999 New MexicoProfessor of the Year by theCarnegie Foundation for theAdvancement of Teaching.

ACS Podcasting Science for Members and PublicACS members now have the

opportunity to share exciting, cutting-edge scientific discoveries with theirchildren, local science teachers, muse-ums, libraries, and other venuesthrough a new podcast launched thissummer by the ACS Office ofCommunications (OC). The sciencepodcast, unveiled in July, reports onthe latest studies published in the ACSjournals to a broad public audience atno charge.

The podcasts are available bygoing to http://www.acs.org. At theupper right of the page, click on“Press Room”, and then on the PressRoom page, click on “ScienceElements” near the bottom of thepage under the heading, “Podcasts.”It describes research reported in ACS’sprestigious suite of 36 peer-reviewedscientific journals and Chemical &Engineering News, ACS’s weekly newsmagazine. Those journals, publishedby the world’s largest scientific society,contain about 30,000 scientific reportsfrom scientists around the world eachyear. The reports include discoveriesin medicine, health, nutrition, energy,the environment and other fieldsthat span science’s horizons fromastronomy to zoology.

November Dinner MeetingChemical Magic from the Grocery Store:

Dispel ChemophobiaDr. Andy Sae

November Dinner Meeting

Date: Tuesday, November 13th

Time: 6:00 Social Hour7:00 Dinner8:00 Presentation

Location: Biltmore Hotel & Suites2151 Laurelwood Blvd.Santa Clara, CA 95054

Speaker: Dr. Andy SaeChemical Magic from the Grocery Store

Cost: $27.00 with the choice of Pork Marsala Pasta PrimaveraIncludes wine with dinner.

Reservations: www.scvacs.orgShirley Radding408-246-2564

Reservations should be made byNovember 9th stating your name,address, company affiliation, numberof people in party, and menu selec-tion. If you are unable to honor yourreservation and do not cancel byMonday, November 12th, you will beinvoiced following the dinner meeting.

Andy Sae was born inHong Kong. He received aB.S. degree in chemistry, anM.S. in genetics, and aPh.D. in biochemistry fromKansas State University. Dr.Sae joined Eastern NewMexico University in 1969and is now Professor Emeritus after31 years of service. He is a memberof the Division of ChemicalEducation of the ACS, and a mem-ber of the National and New MexicoScience Teacher Associations. Hereceived the 1994 OutstandingService to Science Award from the

Happy Thanksgiving

Those discoveries improve peo-ples’ lives, and Science Elements willmake that information more widelyavailable. The podcast draws on anOffice of Communications product,PressPac, which initially was devel-oped to assist science journalists inresearching and reporting news.

The podcaster for ScienceElements is Steve Showalter, a chemistat the U.S. Department of Energy’sSandia National Laboratories inAlbuquerque, N.M. Showalter’s workat Sandia focuses on the design anddevelopment of new batteries. “As anactive member of the ACS since 1987,I view these podcasts as part of abroader commitment to improvingpublic understanding of chemistry,”Showalter said. He also works towardthat goal as a member of the ACSCommittee on Public Relations andCommunications and as a councilorfor the Central NM Section, ACS.

Podcasting is an increasingly pop-ular way of accessing news, informa-tion, and entertainment content fromthe Internet. The term was derivedfrom Apple’s “iPod,” a portable digitalaudio and video player, and “broad-casting.” Podcasts allow users to sub-scribe to a “feed” and receive new

files automatically whenever postedto the Internet. New installments ofScience Elements will be postedweekly and available without charge.

For more information, contact theACS Office of Communications [email protected]

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Highlights of National Chemisty WeekPhotos Courtesy of Lois Durham

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SANTA CLARA VALLEY SECTION2007 Section OfficersChair George Lechner 408-226-7262 [email protected] Chair David Parker 408-615-4961 [email protected] Elect Mark Kent 408-736-0989 [email protected] Karl Marhenke 831-688-4959 [email protected] Herb Silber 408-924-4954 [email protected]

Councilors2005-2007 Herb Silber 408-924-4954 [email protected] Abby Kennedy 650-837-8043 [email protected] Jack Riley 925-256-4050 [email protected] Ean Warren 650-329-4554 [email protected] Linda Brunauer 408-554-6947 [email protected] Sally Peters 650-812-4994 [email protected] Peter Rusch 650-961-8120 [email protected] George Lechner 408-226-7262 [email protected]

Alternate Councilors 2005-2007 Mark Kent 408-736-0989 [email protected] Ihab Darwish 650-343-4456 [email protected] David Parker 408-615-4961 [email protected] Bruce Raby 408-294-6718 [email protected] Stephanie Gehling 408-261-3974 [email protected] Natalie McClure 650-851-1052 [email protected] Maureen Scharberg 408-924-4966 [email protected] Ferenc Makra 415-730-8365 [email protected]

Newsletter Editor: Cinzia Muzzi 408-864-5790 [email protected]

ChemPloyment Abstracts Director: Charles Sullivan 650-359-0731 [email protected]

FUTURE MEETINGS

Nov 4-6 ACS ProSpectives Successful Biologics Philadelphia, PA

Nov 13 Section Dinner MeetingChemical Magic from the Grocery Store: Dispel ChemophobiaDr. Andy Sae Santa Clara, CA

Jan 7 Mosher Award Dinner and PresentationDr. Dennis P. CurranSanta Clara, CA

Mar 2-4 Pittconwww.pittcon.org

New Orleans, LA

Printed on recycled paper.

SANTA CLARA VALLEY SECTIONAMERICAN CHEMICAL SOCIETYP.O. Box 395, Palo Alto, CA 94302

To receive an email when our newsletter is published on our web site, sign up at:

http://www.scvacs.org/newsletter/