Indian Journal of Chemistry Sect. A: Inorganic, Bio-inorganic, Physical, Theoretical & Analytical

VOLUME 42A NUMBER 9 SEPTEMBER 2()03

CONTENTS

Papers

OD 1\1000ll1er 2 163 Forlllation of complex three-dimensional inorganic open-framework structures from secondary building units MI,O 1 D Ladder 3 D Channel Struclures

AmJnc6/ I ~:~~ "N""'"

C N R Rao 1 D Linear Chains ----... 3 D' 2D-

2175 The bioinorganic chemistry of copper Some results on synthetic mod eling of J sel ec ted nUlllber of copper proteins/enzymes are described.

OH2 (histidine)N,,' /N (histidine) 9 (aspartate)

/CU ...... N~ _ 'zn _ N (histidine) (histidine)N \ 0 l ___ R N I\lukhel'jee I.::::::::::J N (histidine)

2185 Synthesis, crystal structure and nuclease activity C9 of bis(dipy.-idoquinoxaline)copper(l) perchlorate

Pattubala A N Reddy, Bidyut K Santra, Munirathinam Nethaji & Akhil R ChakraYaJ·ty* C2

2191 Elcctmnic interactions in meso ferrocenyl porphyrin and its metal de.-ivatives

Sunriararaman Venkatraman, Viswanathan Prabhunlja, Rajneesh Mishra, Rajccv Kumar,Tavarekere K Chandrashekar"', Wcijie Teng & Karin Ruhlandt Senge 2 156

1267 Rcnctions of 1,3.5-benzcnetricarboxyli c acid with The change of th t: aux ili ~ lr y li gand (e) in Iil e l 'e ~ Il"li"n Z n(ll) ion in thc IlI"esence of added aminI's: between 1,3j-bt:nezenetricarboxyli c aciJ (13) ~1Il(J Isolation and struetul-e detennination of zinc di valent zin c (A) results in the is() lation o/" tilrel' di lll'l"cni coordination polymers with tctrahedral and types of ex tended so li ds with th e eompm,itiulls A 13('. ,\/i octa hedral zinc ccntres orBC.

Oi vya Krishnamurthy & Ramaswamy MurugaveV'

1177 Studies on biodahedl-a l dirhcnium(lI) complex cations that contain nitrilc li gands including the structural chanlcterization of [RezeIJ(II-dppmh (CO)(eNXyl)(NCCsH 4N)]O"SCFJ

David A Kort, N Oastagiri Reddy, Phillip E Fanwick & Richard A Walton*

11iU Synthes is, chaJ'actcl'ization, electroche-mistry Two novcl tetrGn li c lear rut hcniulll( II ) cO l11 pk,\es ha \'l' a nd photophysical studies of tetnlJluclear bcen syntilesised by the reaction o f two Ill'\\' 'Pdl'l'l", (Il) complexes with two new spacers cOl ll ~ linin g four I.IO-phenanthro line uni ts as cll' nlll" 'ei'o containing fOUl- I, I O-phenanthroline u nits as and ('is- IRu(bPY)2e ll1 as bui lding block, Ek l lrt)chcl11il' ~d donol' and spectroscopi c studies show that th ere is wcak llI" no int erco ill ponent e lectroni c cO llllllun ication bet\\ een Ill l'I~i1 cent ers, Both th e complexes ex hibit strong 11IIIlil1c,l"l'l1n: at rool11 te l11perature: the ir el11 ission lill: timcs h ~I\"l' heCI1 dete rillined by laser fla sh photolysis t:xperiIllClll"

Parimall'aul*, Bcena Tyagi & I' Nataraj"n*

12~ (l Synthesis and formation of dinuclem' mixed­ valent complexes of ruthcnium and osmium bddgcd by 2-(2-pydmidyl)bcnzil1lidazolatc

i\lasa-aki lIaga *, i\·Jasahide Ishizuya, Tomokazu KaneslIgi, Tomona Yutaka, M = Ru and as Uaisuke Sakiyal1la, Joel-g Fces & Wolfgang Kaim 2 15 7

2300 Supramolecular encapsulation of anions in a copper(l) complex

o Saravanabharathi & A G Samuelson*

2307 Effect of supramolecular aggregation on coonlination in cobalt(I1) complexes of 2-imidazolidone

Larry R Falvello*, Eva M Miqueleiz & I\lilagros Tomas

2316 Binding of nitrate anion in a supramolecularly A mono-deri vati zed cryptand upon ac idifica ti on \\'itll constructed mact-ocycle dilute nitric ac id, afford s a supraillolec ularl y co nstr uL'll:d Illacrocyc le w hich acc ept s two nitrate ani ons in the cavity.

Pritalll Mukhopadhyay, R J Butcher & Pat-imal K Bharadwaj*

2320 Rcgioselective fusion of aromatic di-amines to coordinated 2-(phenylazo)pyridine_ An approach Co" I Diamines Q N H to the synthesis of new ligands with large ~ N= N N denticity

b, ,j ArCHO

H N Kunal K Kamar, Pm-tim Majumdar, Alfonso Castiiieiras & Sreebrata Goswami':'

2327 New azoiminato complexes of bivalent : Syntheses, chat-acterisation and structure

Nilkamal Maiti & Surajit Chattopadhyay':' 215 8

2332 Dicationic dihydrogen complexes of iron with [1" II fi;;l almost 1110 Fe-llz-Hz back-bonding P" I 'Y)' ~-I HBF;Ei,D ( ; re::' BF, p' l "' moO, Ill, Ill, - J\CR -

R=O I, lb + ( 11,0 1, 11> O'I.o1,G1, 3h O~;(}l 4b C. I ' ~ 5b 1>0~C'"I ~0~ 6h

H V Nanishankar, Munirathinam Nethaji & Balaji R Jagirdar*

2339 Synthesis and characterization of Reacti on of Na2 PdCI4 with Me2NCH2CH,SH,HCI in 2-dimethylaminoethylthiolate complexes of methanol afford s a trimeri c co mplex [Pd CI (II) and platinum(I1) (SCH 2CH 2NM e2)h Treatment of lM 2C1 , (M-Clh(PR,), [ (M = Pd or Pt ) with Me2NCH2C H2SHHCI ill Lh e presence of NaH CO, yie ld s compl exes of the type [MCI (SCH2CH 2NM e2)( PR, )l n (n = I or 2)

Cl t4) /' \. CI2S) C1131 , \. I ' CI1S) C~~4) ~__ , C(12) _ I Ct23y' /t1261 \. CIl DI \. ,,/ \ " , ~: (27) 5 Ct11) / C( 22) , • .,...-- CI)7, CIlI / ; '" / ',,- C(16) ~ el)S)

\ CI3) \ , ::-- , -: /'Pd ~ CI211 C(19) C12) \ N "

CI C12C1 Sandip Dey, Vimal K Jain*, Axel Knoedler & r C( 4) Wolfgang KaiIn*

23-t4 Synthesis, characterization and structural studies of metal complexes based on dmit, dmt and tbs ligands. Crys tal structure of [PPNlIAu(dmithl.CH,CN

Kochurani, K Kandasamy, H B Singh*' & Babu Varghese 2159

2352 Cobalt(Il) and cobalt(lII) complexes with Syn th esis. structure and ph ys ical propcrti es uf N-( aroy 1)-N' -(picoli ny lidene)h yd razines. Spin- mononuclear cobalt(ll)/(III) complexes con tain ing N-IO, crossover in the cobalt(Il) complexes coordination sph eres asse mbled via pyridine- imine ­ am ide donor tridentate liga nd s are desc ribed. Therma lly induced spin-crossover phenomenon is obse rved in the coba lt(lI) complexes. ~() / + ~ o ~ N ------~N?~V Suhramanya Gupta Sreerama, N ~ I 0 Dharavath Shyamraj, Satyanarayan Pal & U Co------Samudranil Pal*

2359 Magnetic and spectroscopic studies of A so ft ferrom ag netic material hav ing th e nllliccular ferricenium tetrabromofeITate(lH), formul a. CIO H JtJ Fe, Br-l' ha s bee n characterized Iw [Fe(CsHs) 2l +[FeBr-I]'". a soft ferromagnet and its magneti c susce ptibility. EP R and M ciss hauer iodo analogue spectroscopies . The corresponding iodo de ri v'lli q: \\ a,

~ 100 " - ~ ...... _... ,...... \ r . \ 99

.~ 98 .~ 97 J ....E 96

~ '" 95

100.0 99.5 99.0 98.5 9 8 .0 97.5 97.0 K Padmakumar", T Pradeep, J Ensling, P Giitlich & P T Manoharan* - 6 - 4 -2 o 2 6

2371 Synthesis and structure of the macrocycle Sy nthes is and structure of th e novel m:lcrocyclic [(OCHlCEt2CHlO){P(N-t-BuhP}]Z compound [(OCH2CEt2C H20 ) { P(N-I-Buh P} J2 from th e reaction of the cyclodiphos pha za ne with HOCH2CEt2CH20H. is report ed. The interillecii'lt e (OCH2CEt2C H,O){ P(N -I-Bu)2PCI} 2 has bee n identi fied by NMR spec troscopy.

Praveen Kommana, K V P Pavan Kumar & K C Kumara Swamy* 2 160

2376 Ligand driven assembly of II monoorganooxotin The reac lions of Il-BuSn(OH)2C1 w ilh ,'aI"l OU, cage from the reactions of organotin precursors phosph onale ligands affords th e letranuclea r Ot'ga nooxo­ with phosphonatc ligands lin cJge r ( Il - BlISn hO(Ol P ( O I - I )-I- BlI } ~ b ill g()od y i.: ld s, I-Bu I-Bu OH 1-10" I I/. A P I' A II -Bu 0/ X "0 11 -I3 L

11 0, B 0 --~\5"/ \ s,,1/- o J> Oi l ,/. ~ ------0.----- ~ " >/ I' ° ° P,_ 1-13u""""--- >< \ / I- i)" 1-1311_ / IX 1 ~/ - B li P 1 - 1-16B\ o~ ______0____ /o/B\)JJ O--Sn Sn--( '

11 -I3U/\ \ 1\ ""'1I-1I11 ° ~ '-/ 0 ~p/ ""'- 1'0\ Vadapalli Chandrasekhar* & 11 0/ I 1"e)JJ Viswanathan Baskar f-l3u I-Btl

2382 Ab-illilio molecular orbital studies on the structural isomers of C,.silH~ r ~,

/S,~

H ' C~ H

EluvlIthingal D Jemmis*, Ralllalllllrthy Sanldha, AllIaran Saieswari & Elalllbalassery G Jayasrec

2392 Effect of cross-linking on catal)'tic performance The catalysls ( I ) ancl (2) have been (b,igllCLi b) of polystyrene supported platinum cal"bonyl anchoring Pl I5(CO),;02- onto th e ailline f'u nctionali l.cd Y I, clusters and 89'0 cross-linked polystyrine re sin, via anion exchan ge and th e effec t or cross- linking on their catalytic perforll1Jnces scru linized,

C 1-1 ~ W El, ('J - (' H 2 \ - EI , ('I

/7777h7777T//T/T/777/77/ /77 /,lA77/77777777'" Functionali zed 5,5% or 8% chiorolllclhyialed divinylbenzene cro ss- linked pol ystyn.:ne

jN" I " "«0.,,, I ."

C H1 WEI,1 IPI15(COhol" EI ,WCH, I-lillladri Paul, * & /77)/7777T/// ///7/7/////77~ ~/777T Goutam Kumar Lahiri* ( 2) 2 161

2398 Ruthenium-catalyzed .-ing-c1osing metathesis on Alkene-termin ated tethers have bee n a"embkd ~ l roul1d a alkene-tethered Fischer carbene complexes Fi scher carbene moiety by C-alkylati on of th e C(-c~: r h()11 or N-alkylati on of amin o carbene cO lllpl e xe~ by a )1 ha ,c­ transfer catalyzed procedu re. Small or mediulll-,izcd. pendant. fu sed or spirocycli c rin gs have th cn bccn forill ed.

~ NH 2

------~ Ethe r, DOG

Oebasis Hazra &. Amitabha Sarkar*

2-t06 Osmium mediated decarbonylation of aldehydes and ketones. Synthesis, structure and reacti vities of some osmium carbonyl complexes PPh, I'Ph .

BI __ I.-co I-I coo ____ 1~co .-os__ ~(),~ Br 1 CO \-I COO~ 1 ---C O

PPh) 1'1' 11.,

Pama Gupta, Falguni Basuli, Shi e-Ming Peng, Gene-Hsiang Lee & Samaresh Bhattacharya*

HI(' Pd (O), Pt (lI) catalyzed carbon- carbon bond formati on across tetragonal tin(II ) oxide: ~ C H O Synthesis of ferrocenes with ene-appendage h .: ~

~y ~ ~ I ll 0 11 /(ii) (i)~, ~ ~ ll r(l i ) Fe ..b

.j (E, 33 '70 )

Paromita Oebl'oy & Sujit Roy':'

2-t22 Pall adium-carbon a-bonded complexes bem'ing diphosphazane and diphosphazane monosullide li gands

Swadhin K Mandai, Sethal'3 mpattu S K.-i shnamurthy* & Munirathinam Nethaji 2162

2·U7 Phenol-amide chelates of iron(III). Kinetics and mechanism of reversible formation of (diaqua) (I,3) bis (2-hydroxybenzamido) propaneiron(I1I) and its reactions with thiocyanate, azide, imidazole, sulphur(lV) and ascorbic acid in aqueous medium Fe(OH1)6J++H1L ~ Fe( HL)(OH1)/+ ~ Fe(L)(OH1)1+ Fe(L)(OH1h+ + x· .,.--- Fe(L)(OH2)X (or Fe(L)(X) (for X - = NCS- . NJ-.HSth - (or HAsc-»

Suprava Nayak & Anadi C Dash**

2-09 Selective extraction of alkali metal ions from Dibenzo-21-crown-7 (DB2 1C7) and dibellzo-24-crowll-S bittern using picrate anion and crown ethers as (DB24C8) are used for extraction of metal ions (Na+. K+. li gand: An ex perimental and theoretical study Mg2+ and Cal +) from bittern and schoe nite byproduct. lOll chromatographic study shows DB21 C7 extracts K+ with high se lecti vity. T wo-phase extraction equilibrium constants for Na+ and K+ w; th both th e ligands ha ve bc.:n eva luated . All of the ex peri men tal data have been rati onalized on the ba sis of molecu lar mec hani c, ca lcu lations using Monte Carlo search met hod. Pragati Agnihotri, Bishwajit Ganguly, Suresh E, Pari mal Paul* & Puspito K Ghosh*

2 4~ 7 Some studies on recovery of chromium from chromite ore processing residues 100

80

60

NaBO 40 NaCIO

2 3 \ Oxidant [mollmol(Cr+Fe)] K J Sreeram, M K Tiwari & T Ramasami*

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