Clw@terizclon of tL*Mi. ,1cid in Di&tu',t Pho@dicd Dotuge Fw.d tn ...
Clw@terizclon of tL*Mi. ,1cid in Di&tu',t Pho@dicd Dotuge Fw.d tn ...
Clw@terizclon of tL*Mi. ,1cid in Di&tu',t Pho@dicd Dotuge Fw.d tn ...
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The !R spccta ol nubipr<strong>of</strong>d showed chucr.dstic brcad p€a& h the nnec 2500 10 3500<br />
cn ' dE to hydmsa bordils. The p€I! .l 1698 ald 290 cm-' vft d@ b orbonyt ed<br />
hytltoxyl sf achils, espelilely [32r].<br />
Mebnc@ show.d chdictciislic psks at t 620 cn-r (C.O strcrch<strong>in</strong>e), 3292 cnr (econdary<br />
-NH or -OH) dnd sne ploni&nr b.!ds su.h s 84656? d-r (.cH emlric r<strong>in</strong>s bad<strong>in</strong>g<br />
dd [.1soNm.d6) and 1346 io I 163 cb:' G=O 3rachirg) [32t].<br />
Mcf@mi. &id shos€d Fdls ar 3300 cmr (N-H srdch). 1647 cn ' (C=O sEetch), t 572 cn<br />
| (N-H b€nd<strong>in</strong>g), l5O4 cmi (c{ sterh),757 cm | (e@dc str.!ch) [32!].<br />
IR s!€trn <strong>of</strong> ibl4bfd @ntritu a stoog sbslptid bond at t7O8 di dE to erboxyl<br />
Creup dd thc btds @ntstodiDg 1o vibdtioN <strong>of</strong> the NEtrc r<strong>in</strong>g &d dF i$bntyl<br />
ftagne s(1608,1512, r044, ed 1020 mj) t3241.<br />
S<strong>in</strong>6lriD show€d petl ^r 3546 d4 1422 @'r <strong>of</strong> &c ed eiated O-H slretch,<br />
Fsp.criwly. It sbowd p6k .l l0l I d_' <strong>of</strong> otcnnic C-H irctch. 'Ihe Ffs ob@ed ar<br />
2969.2929,2811 ard 1459 .D r wft d@ ro Ihe psoe <strong>of</strong> mcihyl C-H 6)1Mclric od<br />
slmetric afttch. Simwlar<strong>in</strong> showed checr.rishc p€aks at 1261 dtd 1225 ch't iue ro<br />
prsce <strong>of</strong> lrcrole C.OC aGl.h The p.its d lTOl dd I 106 ch' we egn d b eG<br />
C{ and 6td C.O-C stErch, Bpdrirely- Th. F k ar l3E9 .!d 1369 cm'' E signed ro<br />
ihep6en@ <strong>of</strong> gm{im€thyl C-H st€tchard .r 1056. 870 &d5?0cD' wft <strong>of</strong> $@rdary<br />
slcohol, tri substituted oLf<strong>in</strong>ic C-H ed cis olel<strong>in</strong>ic C-E sr.etch$, rerpecdvely F251.<br />
In the <strong>in</strong>fFrcd sp@t|u <strong>of</strong> lh. c@pl.x foded bet*q cdnizift ed dicl<strong>of</strong>orc<br />
sodiu, th! Ng di@ <strong>of</strong> mim &id Aon 2?0G2.100 m-r diepFaEd ed dF qutorty<br />
nitrogs alom siretch<strong>in</strong>g 3h<strong>in</strong>.d froh 30?0 to 3040 cnI, Simildly ihe mmtic CH and<br />
aliphati. CHr lbsrltion ban& sh<strong>in</strong> d Aom 3l10-3000 ad 2985.6 2914.2 |o1165 j024<br />
tld 2v25.11-2847.61 d-1 Bpetir€ly. NH rftr.b<strong>in</strong>8 bdd snd de carboiyl gour iD<br />
dicl<strong>of</strong>@ shii.d Aob 3276,8 ard l8OG.l95O co:r ro 3320.1 rid at 1315.32-1147 ,19 ffi-t .<br />
A nodifi€d b&d appad.t l63E.l4 mj stich bdiated n ur.siiati@ <strong>of</strong> itE {boxylic<br />
Stoup i.to a carbolyl gFup, Th. &bend<strong>in</strong>S c&bonyl nodc sh<strong>in</strong>cd fton 1421,57-1200.91<br />
cDj b 1409.31-123?.68 mi, Fon lbe aborc 6&s, n !s bd @clurled rls! kak<br />
chrg€ E&sfd i erE rion qtE bcl9@ 6e doubly charged pipc@im noiery <strong>in</strong> ei<strong>in</strong>z<strong>in</strong>e<br />
dd dicl<strong>of</strong>drc, Cetiriz<strong>in</strong>e er a @ elst on ac€ptor [319], C.tiriz<strong>in</strong>enubipr<strong>of</strong>cn comtlex<br />
sho*.d th.t lhc quat€nsry nntu8.n aioE streichng sbii€d fron 3O7O 10 3O4l cm-'. Th€ NH<br />
diffi <strong>of</strong> m<strong>in</strong>o aid non 270G2,100 m- ap!.ir€d a . xik sig.al with cFd ro<br />
138
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