Key Skills Project Management Research & Development SOP Development Regulatory Compliances Chemical Synthesis Product Development & Analysis Process Engineering Consultancy Reporting & Documentation Team Management Profile Summary A highly analytical individual Offering over 7 years’ experience in Research & Development, and Process/ product Improvement in Chemistry Attained the Highest grade in PhD in France, Doctorate degree, in Chemistry with “Très honorable” grade in July 2012 Leveraged with outstanding skills in conducting research on synthetic organic & inorganic chemistry and synthetic coordination polymers based sustainable new and advanced materials Widely experienced in milligram to kilogram scale multistep organic synthesis, organometallic chemistry, heterocyclic chemistry, and air, moisture & light sensitive reactions and process development Successfully published 9 journals of international repute including “Tetraazaarenes by the Ceramidonine Approach” & "Structural chemistry of belt-shaped cyclonaphthylenes: Stereoisomerism, crystal structures and dynamics" which were selected & published on various platforms Gained expertise in chemical reaction and familiar in preparation of various organic compounds using different routes Expertise in ensuring compliance to quality and regulatory measures by maintenance of appropriate documentation/ records Capability to analyze & interpret unique problems with a combination of training experience and logical thinking to find the right solutions A leader with excellent communication, analytical and relationship building skills Soft Skills Career Timeline Oct’12 – Jan’13 Mar’13 – Feb’14 Apr’14 – Present Education Ph.D in Organic Chemistry from University of Bordeaux1, France in 2012 M.Sc. in Chemistry (Analytical Chemistry special) from Jadavpur University, India in 2009 B.Sc. in Chemistry Honors from Jadavpur University, India in 2007 Dr. Parantap Sarkar, PhD Goal-oriented professional targeting assignments in Research & Development with an organization of high repute in Chemical / Pharmaceutical industry preferably in Mumbai, Pune, Hyderabad, Chennai, Bengaluru, Kolkata, Delhi, Gujarat locations [email protected]+81-8016661857 /+91-8001596340 IISER-Kolkata, Kolkata, India as Research Associate Communicator Innovator Thinker Collaborator Intuitive Ewha Womans University, Seoul, South Korea as Post-Doctoral Researcher at Chemistry and Nano Science department WPI-AIMR, Tohoku University (Advanced Institute for Materials Research), Sendai, Japan as Research Associate
Leveraged with outstanding skills in conducting research on syntheticorganic& inorganicchemistryandsyntheticcoordinationpolymersbasedsustainablenewandadvancedmaterials
Widely experienced in milligram to kilogram scale multistep organicsynthesis, organometallic chemistry, heterocyclic chemistry, and air,moisture&lightsensitivereactionsandprocessdevelopment
Successfully published 9 journals of international repute including“TetraazaarenesbytheCeramidonineApproach”&"Structuralchemistryofbelt-shaped cyclonaphthylenes: Stereoisomerism, crystal structures anddynamics"whichwereselected&publishedonvariousplatforms
NotableAccomplishmentsAcrossTheCareer CompletedDoctoratedegreeinChemistrywith“TrèsHonorable”gradeinJuly2012 Received EMMA (Erasmus Mundus External co-operational window with Asia,2009)scholarshipin2009
Managing R&D analytical work & innovating various routes in synthetic organic chemistry (Functional aromatics &polyaromatics,Polymers,Pigments&Heteroaromatics,variouscrosscouplingmaterials,carbenes&radicalsetc.)
FacilitatingMethodDevelopment and validation i.e., rigorous testing of themethods to ensure that they are precise,accurate,reproducible,"fool-proof"andspecifictotheproduct&soon
Analyzing various processes/applications and recommending modifications & equipment calibrations to enhanceoperationalcompetence;performingliteraturesurveyusingScifinderandReaxysforchemicalsynthesis
Writing/reviewing detailed documents like process package, development report, validation reports & results;preparingofmonthlyreports,annualproductreports&periodicproductreview&soon
Publications P. Sarkar, I.-R. Jeon,F.Durola, andH.Bock, “Tetraazaarenesby theCeramidonineApproach”New J.Chem., 2012,36,570-574(IF:3.16&citation:6,selectedasCoverArticle)
P. Sarkar, F. Durola, and H. Bock, “Dipyreno- and diperyleno anthracenes from Glyoxylic Perkin reaction”, Chem.Commun.2013,49(68),7552-7554.(IF:6.8&citation:6)
H. Bock, D. Subervie, P. Mathey, A. Pradhan, P. Sarkar, P. Dechambenoit, E. Hillard, F. Durola, “Helicenes fromdiarylmaleimides”,Org.Lett.2014,16(6),1546-1549.(IF:6.3&citation:16)
E. Girotto, M. Ferreira, P. Sarkar, A. Bentaleb, E. A. Hillard, H. Gallardo, F. Durola, H. Bock, “Plank-Shaped Column-FormingMesogenswithSubstituentsonOneSideOnly”,Chem.Eur.J.2015,21(20),7603-7610.(IF:5.9,citation:1)
P. Sarkar, S. Sato, S.Kamata,T.Matsuno,H. Isobe, "Synthesis anddynamic structuresof ahybridnanohoopmoleculecomposedofanthanthrenyleneandphenylenepanels",Chem.Lett.2015,44,1582-1583(IF:1.23,citation:4)
Z. Sun, T. Suenaga, P. Sarkar, S. Sato, M. Kotani, H. Isobe, "Structural chemistry of belt-shaped cyclonaphthylenes:Stereoisomerism,crystalstructuresanddynamics",Proc.Natl.Acad.Sci.USA.2016,113,8109-8114.(IF:9.7,citation:1)
P. Sarkar, Z. Sun, T. Tokuhira, S. Sato,M. kotani,H. Isobe, "Stereoisomerism in nanohoopswith heterogeneous biaryllinkagesofE/Z-andR/S-geometries",ACSCent.Sci.DOI:10.1021/acscentsci.6b00240,Publishedonline,2016.
A.PhDResearch(2009-2012;UniversityofBordeaux1.CRPP-CNRS.Supervisor:Dr.HaraldBock):Project1:Thesynthesisofextendedheteroarenesviatheacidpromoteddehydrocyclisationofarylamino-anthraquinoneisexaminedasanapproachtohighlyconjugated-electronacceptormaterialsandeventuallytoheterographenenanoribbons.Whilst the latter perspective is found to remain challenging, the former is exemplified by the synthesis of extendedtetraazaheterocyclesbearingsolubilisingalkylsubstituents.
Project2:OxidativeDDQcyclizationinpresenceofMeSO3Hisexaminedasathree-stepapproachfromarylaceticacidsandaromaticaldehydestofunctionalizedcondensedarenes.Themethodis limitedtosystemsinwhichoneorbothofthetwoaryl moieties are more reactive than a phenyl group, such as 1-naphthyl or, especially, 3-thienyl. The extension of thisapproach to multiple cyclizations and, thus, to extended partially condensed systems with multiple alkoxycarbonylsubstituents appears promising with highly active precursors derived from 3-thienylacetic acid. A bifunctionalchrysenodithiophenewasobtained from1-5-diformylnaphthalene, togetherwithahighlyunusual asymmetricdimerwithcyclohepta[de]naphthalene(pleiadiene)moiety.
Project 3: Two fold Perkin condensation of arylglyoxylic acids and 2,5-dibromophenylene-1,4-diacetic acid followed bycyclo-dehydrobromination leads to extendedGNR fragmentswith tetra esters anddiimidesThe imides showsurprisinglylargeabsorptionshiftsversustheesters,illustratingthatelectron-withdrawingsubstituentsattheanthraceneunitefficientlyimpartlongwavelengthabsorptioninsuchelectrondeficientGNRfragments.
N
NN
N
O
O
Bu
Bu
N
OBu
NNN
OBu
N
N
N
NBu
Bu
2nd generation of azaarenes: Tetra-azaarenes
(New J. Chem., 2012, 36, pp. 570-574)
O
O
OHO
O
OTf
Bu
i) BuNH2 CoCl2
ii) Tf2O
N
Br
N
Bu
i) HNO3 / H2SO4
ii) Bu4Sn Pd(dppf)Cl2 N
NNH2
H2NN
N2 steps
O
O
OH
OH
O
O
OTf
OTf
Tf2O
NH2
( Asian JOC, 2012, 1 (4), pp. 366-376)
S
SCO2R
RO2C
SS
RO2C
RO2CS
S
CO2R
CO2R
S
S
CO2RRO2C
S
CO2R
S
CO2R
S
RO2C
S
3-step synthesis towards thiophene based hetero-polyaromatics
OH
O
OAc2O
NEt3
OHO
ORO
ORO
DDQMeSO3H
ROH
H+
Concept
Project4:Isomericdinaphthopyrene-tetracarboxydiimideshavebeensynthesizedfollowingsimilarrouteofProject3.Theseelongated GNR fragments self assemble into columnar liquid crystals of hexagonal and rectangular symmetry, of whichrectangular mesophases have unusually elongated unit cells. The cisoid diimides show a much greater tendency to self-assembleintofluidstacksofdisksthantheircentrosymmetricisomers
Project 5: [5]helicene and [7]helicene derivatives have been synthesized by two fold Perkin condensation followed byphotocyclodehydrogenation. The helicenes combine bathochromically shifted absorption and hypsochromically shiftedfluorescencewithrespecttotheirprecursors.
C.Post-doctoralResearch(2014-Present;WPI-AIMR,TohokuUniversity.Supervisor:Prof.HiroyukiIsobe):Project 8:A hybrid nanohoopmolecule with 136 conjugatedπ-electrons composed of anthanthrenylene and phenylenepanelswassynthesized.StructuralanalysisbyNMRspectroscopyrevealedthesynchronousdynamicsofthearylenepanelsinthesolution,whichfurthersupportedbytheoreticalcalculations
synthesis of stable carbenes and their adduct with C60 Fullerenes
NN
N
PhPh
Dipp
NN
N
PhPh
Ar
SSMeMe
2 OTf -3-steps
(writing in progress)
synthesis of bis-carbene
NNPh
Ph
O
O
Br
Br
Pigment Red 168
R
R
R
R
R
RR
R
R = -OC6H13
(Chem. Lett. 2015, 44, pp. 1581-1583)
2-stepsHighet benzannulated CPP ([16]CPP) with 136 π−electrons
R
R
Bpin
pinB
R
R
Bpin
pinB
2-steps 2-steps
(Angew. Chem. 2015, 54, pp. 12800-12804)
Br
Br
[8]cyclo-amphi-naphthylene (u-[8]CaNAP)
4-steps
1st Belt-shaped naphthylene macrocycle
!b-[8]CaNAP
u-[8]CaNAP
OO
Cu(OTf)2
DCE
pinB-Bpin [Ir(cod)OMe]2
dtbpy
pinB Bpin
i) PtCl2(cod), CsF THF, 70 °C
ii) PPh3, o-DCB 180 °C
Project10:ThisworkclarifiesuniquecyclostereoisomerismofacyclophenanthrenylenenanohooppossessingbothE/ZandR/S-geometriesatthebiaryllinkages.The7stepssynthesisof[8]CPhen3,9givestwomoststableenantiomersinitscrystalstructureoutofpossible51stereoisomers.Experimentalinvestigationsofthedynamicbehaviorsofthenanohooprevealedthe presence of two-stage isomerization processes taking place separately at the E/Z- and R/S-linkages. Consequently,despitethepresenceofE/Z-fluctuations,theR/Saxialchiralityresultedinaseparablepairsofenantiomers.
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