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Proceedings

of

the

2009 International Conference

oR

GhemiGa!,

Biological

and Enuironmental Engineering

Singapore

g

-

X1

October 20Ss

edit*r

Li

Kai

Guizhou

University, China

Scientif

ic

.

SHANGHAI

.

HONG KONG

.

TAIPEI

.

CHENNAI

\pworrd

INGAPOHE 'BEIJlNG

(2)

A

Study

On The

Eff'ect Of Fractional Cornposition Of Nano

Size

Particles

ln

86

Coatings

Of

CaCO3

On

Release

Rates

Of Active

Constituents Frorn

Fertilizer

Pellets

W.

J. N.

Fernemdo,

A.

L.

Ahmacl

ond

N.

M.

Socnt

A

Case

Study Of Regional Municipal

Solid Waste

Mana-eement

Program

In

Tair,van

9l

Y.-J.

Chung,

M.-D.

Lin

and

S.-F.

Yeh

An Experimental Study

On The

Effect Of Engine

Speed

Variation

On Prenrixed

Ratio.

9-5

Equivalence

Ratio

And

Emissions

Of

Dual

Fuel HCCI Engine

M.

R.

Kalateh and

M.

Ghazikhnni

Analysis

Of

A

Single Biomolecule Transiting Wlth

Nanopore

lO2

G.

Cheng

and

J.

IYang

Characteristics

And Transport

Properties

Of Two Modified Zero Valent

L'on

101

Y.-H. Lin, M.-D.

Lin

and

C.

Liong

Session

3

Synthesis

Of Visible Light Active N-Doped Titania

Photocatalysr

115

C. Kusr.tnutwardani,

I.

Kartini

ond

Narsito

Synthesis

And

Activity

Test

Of

Two

Asymmetric

Dibenzalacetones

As

Pcitential

1 19

Sunscreen

Material

S. HandcLl,ani

Calcium

Carbide

Residue-Ground Fly

Ash

Mixture As A New

N{atcrial

To

123

Encapsulate

Zinc

K.

Somno,

C.

JaturapitrLkkul

crnd

P.

Kajitvich;'cmuktil

Effect Of Cr:O. In Cement Clinker

On

Microstructure

And Leachability

Of

l2B

Cement

N{ofiar

S.

Sinl,otutg,

S.

Asat,ctpisit,

P. Ktrjinich),onuktrl

ond

P.

Songsriririttigul

Preparation

Of Zirconiurn

Dispersed

In

Aluminium

Pillareci

Montrnorillonite

And

133

Its

Activity

In

Phenol

Hydroxylation

I. Fatimalt, Narsito

and

K. W|jaya

Copper

(ll)

Erchanged TiO:-Pillared Ciay

Preparation

From

lndonesi;rn

Montmorillonite:

138

Elfect Of Titania Precursor

I.

?-atimah,

Y.

Rohyani, B.

Wi1'cmtoko

ond

T.

Alawiyctlt

Phosphate

And Nitrate

Removal

In

A

Laboratory-Scale Batcir

Rcactor

Bv

Selected

144

Wastewatcr

Protozoa

A. Ob

antl

M. Mnb

Dissolved

Air

Flotation (DAF)

Process

For

Colour And Chernical

Oxygen

149

Demand

(COD)

Rernoval

In Lanclfill

Leachte Treatment

P.

Pcrlanicuttb,,

M.

N.

Acllut

ctncl

II.

A.

Az.iz.

Molecular Docking

Of

3-O-Micarocvlmicaminocyl-5-O-Forosarrinylcrythronolide

-B

153

(MMFE) To RITNA

23S Deinococcus Radiodurans

And The

Precliction

Of

Its

Antibiotic

Potency

W.

HaryarLi,

Ll.

A.

Jenie,

R. S.

Sudibyo,

H. D. Pranowo

utd

F.

R.

Wibon,o

Treatment Of Dimethyl-Sulfoxide-Containing Optoelectronics Wastcwater

Using

156

Airliti

Bioreactor

With

PVA-Immobilized Cell

Beacls
(3)

SYNTHESIS AND

ACTIVITY

TEST

OF

TWO

ASYMMBTRIC

DIBENZALA

POTENTIAL

SUNSCREEN

MATERIAL

SRI HANDAYANI

Chenical Eductttiort I)epartment, Yog)akorta State Universi4', Karttng,maIang Yogl'akarta, 5 528 1, lndonesitt

Synthesis and activity test as potential sunscreen material of two risymrnetric dibenzalacetones have been condr.rcted. The

first

cotnpound, anisalbenzalacetone. u,as synthcsized from benzaldehycle, acetone and p-anisaldchydc- The second.

bcnzalveratralzrcetone

was

synthesized

tiorn

benzaldehyde, acetone ancl r,eratraldehyde. Thosc compounds werc

synthcsized

by

crossed

aldol

conclensation

in

base condition

with

water-ethanol solvent.

The

slnthesis

ol

both

corrpounds using ice bath throughout the stirring. The precipitatc wits purified

by

colounln chrornatography. Each

pnrducr rvas characterized by F1'IR.

'H-NMR,

']C-NMR. HN{QC and HMBC. Activity test as

UV

protection rvas done

bv \Yaltcr mctfiod. The result showed that anisalbenzalacetone rvas active in

UV-A

arcir. rvhile benzalveratralacetone Irr'()t(r'li()n is in l-V-R rrrel.

l.

Introduction

Global

warming issue have been attained most attention

during

last decade. The

"holes" in

ozone layer have lead

more UV

radiation entitted

to

eaflh's

surface. There are

three

t)'pes

of UV

iight

namel-v

UV-A

(320-:l00nrn),

UV-B

(280-320nrn)

and

UV-C

(100-280nm).

UV-A

radiation could

cause

collagen

breaken

that lead

to

preirilture

aging such as

wrinkle

skin.

UV-B

could make

skin damaged

which

lead

to

sun-btlrnecl and cancer skin.

The

nrost dangerous

radiation

LJV-C

light,

fortunately

could

be

absolp b1, ozone 1a.ver. so

it

could

not reach

eiirth's

surfhce

[1].

Therefore. there

is a

ileed

a

conrpound

that

used

for

protection

of

danger sun

light

radiation.

Some of reported compouqd that used

fbr

sunscreen

are

bcnzalacetone

and

its

derivatives.

Handayani and

Ariy

have

s-ynihesized

1(E)..|(E)-1.5-diphenyl-1,4-pentadiene-3-one

and

its

clerivatives r.vhich

known

as

synmretrical dibenzalacetone

that

have been

made

by

crossecl

aldol

condensatiorl

bettr'een

acetone:benzaldehyde

(1:2).

It

have

bectt

tested

as

a

radical hydroxyl

scavenger

[2],

and as potcntial

sun

screen

lnateriai

t3]

Another

sl,nthe

sizecl

of

dibenzalacetone

was

report

by

Guofeng

et.al

gite

an

excellent

yields

t4l

Tutik

D

has

synthesized

symmetrical dibenzalacetone

which lrave

similar

structure rvith the cinnamic acid

derivative [5].

From its structure-

it

could

be estimated that benzalacetone and

dibenzalacetone.

u,hich have

similar

strttctr.rre

with

cinnanric

acid

or its

derivative.

have

Lritraviolet

absorption

in

the

samc

rangc.

'l-hus.

as'ntt-.tclric

dibenzalacetone

was

predicteci

as a

sunscrcen.

Asymnletric

clibenzalacetone

is

dibenztrlacetone that its

two

benzene

rings have ditferent

number.

kind

and/or

position

of

substituent.

In

this

research

t"vo

of

asyrnnetric

dibenzalacetones.

compounds

5

and

6

narnely

anisalbenzalacetone

(1(E).4(E)-1-(:t'-meihoxl'-phenyl)--5-phenyl- I ,4-pentadiene-3-one

)

and

benzal-veratralacetone

( 1 (E),4(E)- 1 -(3'

.'1'-dinrcthoxy-phen1''l)-5-phenyl-1,4-pentadier.re-3-one)

will

be syntheslzed and

tested as sunscreen material.

2.

Experimental

Section

2"1 .

Materiols

A11 rr-izrterials used

frorn Merck,

among

other

acetone,

4-methoxybenzaldehyde

(p-anisaldehyde).

3.1-dimethoxybenzaldehyde (veratralclehyde).

chlorolbrnl

ethanol, benzaldehyde. hexane, iincl

etht'l

acetate. TLC

r,vas carried out using 0.2-5-rnm plate Silica gel ir{erck 60

F254, colLurm chrornato-eraphy were pelformed b,v Silica

gel 60 (230-,100 rncsh).

2.2.

Instrumentation

The 1H,

'3C-NMR,

HMQC

and

Ill\'IBC

Spectra rvere

recorded

on

500

MHz

Jeol

spectrrrphotorneter. IR

spectra

were

conducted

using

a

Shintadzu 8300 FTIR spectrometer.

2.3.

Synthesis c.f Cotnpound 5

Into

a

solution

of

NaOH (0.025

niol.

lg) in

aqt-tcous

cthanol

(l:l)

that rvas prepared

at atrhi':nt

telnpcrailrre,

.6,ryry"q\

I"T::_+i

fu

2286:r'

7e

*#9

(4)

r20

I

benzaldehl,de

(0.0i rnol.

1.06 g),

2

acerone (0,01 rnol.

0,58 g) iind

3

.l-methoxybenzaldehyde (0.01

moi.

1.66

-e)

were added cirop

wise

alternately.

After

additional

stirring

tbr

60 trinutes,

\vater (20

rnl)

rvas adcled

to

thc

reaction

rrixture which

then

filtered. The

extract

u,as

r'vashecl 'uvith u,ater' (20

ml x

3) ancl separated by colunrn

chromatography

(d

2.-5 crr.r.

h

-50

crn),

with

silica

gel

60

(230-400 mesh) as the stationary phase and cthvlacetatc-hexane 1 :

9

as the eluent. The target contponnd

(5)

r.r,as

idcntilled using

thin

layer

chromatography

with

ethvlacetate-hexane 5:1 as the ritobile phase.

2.4.

Synthesis

of

Compound 6

The

similar

procedure

\vils

repeated

tbr

3..1

cl i methr-r xyb enza I dehyd e

to

replace

4-methorvbenzalclehvde

in

ordcr to

syntliesizc contpounrl

5

(Figure

l).

Four fractions

obtained

from

the colunin

chromatograph\,.

iurd ihe

target

coilpound

\\.its

identified

using

thin layer

chromato_qraph1, li,irh

. ltlololtrrrn-hcxurrc

J:

(r.

2.5.

In

Vitro

Test as

I'otential

Sunscreen

illateriul

Activity test

zis sunscreen rrsing

in

vitro

rnethocl havc

been done

by:

Sampie rvas dissolved

in

ethancll bv

t,arions concentration

0f

1-5ti ppm. The conccntration

of

1 pprn was userl

to

tneasure

optimum

r.vavelength. The

absorbances

all

variation

concentration solution

har.e

bccn nreasured at optimurtr rvavelength betrveen 240-40t)

nrn.

'fhe

SPF (Sun Protection Factor) can be calculatcri

ioiloning

Walter fbrmula

as

SPF=

lOA

(I)

Where

A

=

absorbance

of

each

solutioii.

SpF

lcvcl

ancl

UV

light

t1,'pc

could be

deternilned,

also

C

value r,''hich related to concelrtration that gives ultra protectiorr

r1t more than SPF l-5.

3. Result

and I)iscussion

Separatiorr

of

crossed

aidol

conclelsation

proclucl

betu'een

benzalde

hyde,

acetolte

anci

:l-mcthoxv

benzaldehyde ri,as

done

by

colounin

chromatotraphv.

The

procluct

from

colounur

chromatography sc.pur.rrtior.r

l,iclded

3

iiactions. rvhich

u,ere

identified by

Tt_C u,,ith

hcxane-ethylacetate

5:l

as the elucnt. Rctardation t:rctor

clatas lrorn

TLC

scanner shou,ed that

fraction

II

rvas

illc

target

of

cornpouncl

5

(

10.6%) determjned as

lrellou,

re sidLre.

Fraction

I

and

lraction

II

supposecl

to

bc-bcnzalacetone

irnd

dianisalacetone as the

side

products

ol'e rossed

r[dol

contlcrrsxli('n recctiun.

Fi-qure 1. Scherne

ol

cross altlol condensation

to

synthesized of

compound 5 and 6.

Charactcrization

of

comporurd

5

by

FTIR

(KBr)

resulted peaks

on

3035:

2922:

28-12:

1668;

1123

1416

ancl

1175

cm-r.

A

series

of

one

anci

trvo

diurensional

NMR

spectroscopic

cxperiment using HivIQC

and

Heteronuclear

Multitiple

Bond

Coherence

(HNIBC)

pattems rvere perfbrnted

kt

assign the proton and carbon

resonance

corelation

o1'thc con'r cornpounds. The signal

pattern

ol

the

arornntic

ring

show,ed

the

inf'luencc

of

rnethoxv

(OMe)

in

3 3,8

(3H, s) pprn (Figure

t:

Table

l).

Theretirre

compouncl

5

is

(1(E),a(E)-l-(4'-methoxvphetryi)-5-pherryi-i..1-pentadiene-3-one)

or

ani salbenzal acetone.

The preparation of cornpound 6 u,as

initiated

b1, the

rnixing

t>f

1,2

and

4 lo sive 6

(FigLrre 1).

The

f

ieid ol

crossed

aldol

cotrclensation

bctrveen acetone,

3,,1-dirnethorybcnzaldehycle

and

benzalclehyde

was

a

rnixture consist

of

4

contpounds.

It

rvas separated bv

Colunn

Chrornatographv

(AcOEt-hexane.

l:9)

to

provide the

asymmetric

dibenzalacetone

6

(l).53%)

determined as pale yellor,' oi1.

The

multiple

boncl con-elation

of HIvIBC

supportecl

the

structure

(Figure

l:

T:rble

2).

In

rhe

'H-N\,{R

spectrum (500

NIHz.

CDCI3).

rwo

palterns singlcr, nine

tloublet

and

tfuee

double clublct

u,ere observecl. The

tiouble

dublet at 6

=

7.2:

7.61:

and 7..11 ri,as assignable

to H2". H3"

trnd H6"

r.espectivelv.

Two

equivalcnce

nrethoxy signals at 6 -1.91 and 3,9 tvere assigned

to

Cl3' and

C:i'.

Support spectra ciata proviclecl b1,

thc IR (KBr).

u,Iiich indicates

the

exislencc

of

C=O

(16.15cnt'r),

arornalic

C=C

(151.1-1,1

l7

cm-r)

ancl

CO ether

(12-5-5-I139

crn11. Therefbre. the strlrcture

of

6 rvas

l(E).:t(E)-l -(3'.4'-dimcthoxyphenl,l)--5-phenyi- I ..l-pcnradiene-3 one

or benzal vemtralacetone.

!oMe

lel,

y):"'"

-r^/

-'-

,

L)- i-0"

'V'!

-oY

--

?

i,\oMe

d;'

rG,;fr""

[image:4.597.343.539.164.281.2]
(5)

-:l.rt', ila;

'fable 1. rH.

''tC-NN,{R and HN{BC daras of compound 5 (CDClr)

C no. A H

(lH:

m) ppur 3C ppnr HMBC (-5t30 MHz)

I 2 3 4 5 )."6', 3 "5', .l',OIvIe 4', 2" 3''.5" 4" 6"

7.70 (lH: d)

6,97 (1H: d)

7.07

(lIl;

d)

7.74 (1H: d)

7,58 (2H; d) 6,93 (2II; d)

3.8: (3H. s)

7.61 (1il: d)

7,4 (2H: d) 7,,11 (1H; d)

1.62 (211: d)

t.+3

123.1 IU9

) 25.1

1.13.3

129 I 14.6

56 162

r 30.3 t21 .6

r 28.-5

1.10.-5

c6".

c2.c3

C3, C2'

C3. CI'' C3

c1,

c3"

c.l'

C;I' C:l'

c5, c6"

c4". c2"

c1". c2"

c-5. c2"

'l'able 2. rH, 1rC-NNIR and HMBC

daras of compounrl 6 (CDCIl).

C no. 6H

(lH:

m) ppm 6C ppnr HNIBC (-500 NIHz)

l 2 -l 1 5

)'

-) 3'ON{e 1', .l'oMe 5', 6' 2" 3" 4" -5" 6"

7,69

(llI:

d)

6.9:l (1H: d)

7.10 (lH: d) 1,74 (.11j tlt

7.06

(lli:

d)

3,9 (3H: s)

3,9 I (31{: s1

6,83 (1 FI: d t

6.ti9

(lli:

d1 7.61 (lH: dd)

7.2 (lH: tldt 7.1,i (1H: d)

7.33 (1H: d)

7,.11 (lH: ddl

C2,C3

C3

c3, c1" C3

cr3'

c4'

c3'

c4'. c6'. C1'

ci"

c_5'. c.1'

c-5

cl",

c.1"

c3"

cl"

c1" r 43,6

121 1E8 125.6 143

Il0

151 56 I50 _56 111

t 2t) 130

r 23..1

110 129 I2lJ

Anisalbcnzalacctone

(5)

shorvecl

absorbiince,l{

LIV-r\

area

(trnrar

350

nm).

N{inimal

concentration rrf this conrpound rltat can

give ultra protection

is

i-5 ppnt

at SPI]

26

(FigLn'e 2.1. I3cnzalveratralacetone

(6)

absorb

radiatirln

at

tJ\.'

IJ

area (Lmax

303 nin).

Niiiiiniai

concentration

of

this cornpound l'or u.ltra protection is 30 pprn at SPF 16.

l;i3

(Figure 3).

Betlr'een tirosc contpounds. 5 more potenti:tl use iis

sunscrccn, becaLtse

it

c.an

give nlorc

SPF value at lower

conceritration than 6.

(6)

I

Figurc 2. SPF vs C of compound 5

Ber.alveBtGlacetone (), nax 3O3 nm)

[image:6.612.66.287.61.400.2]

Fi.qure 3. SPF vs C of compound 6.

Figure

2

and

3

shou,ed

that

some

concenir.itions

have absorbance above 3,

giving

SPF valuc higl.rer than

i000.

Sunscreen

with

higher

SPF

rating

Lrlock slightl,

more

UV-B

ravs.

but

none ofTers 100c/c prott-'ction

[6j

Thc

data

fionr high

concentration

could

not

bc

conciderate because

device condition

was

not

villid

lo

rreasure compound

with

high

absorbance.

,\lso.

fbr

comlnercial application.

it

prefer

minimiil

conccntrrrii()!l that

giving

ultra protection.

4.

Conclusion

Synthesis

of

ls1'nuretric

dibenzalacetone

through

crossed

aldol

condersation

reaction has

been

done

successfully.

Lou'

yields

of

the product

\!'as

because

ihere

sorne

other

side

products

of

thc reaction.

In

this

research. compound

5

rnore potent as sunscrcen than 6

bccause

it

can give ultra

protection

at

lorver concentration.

Reference

1.

Moloney

F.J.,

Collins

S..

Murphy G.M.,

2002, Am.

J.

Clin.

Dermatol.,

3(3),

185-19i

2.

IJanciayani.

S. and

Arty,

I.S., 2008,

Journal

of

Physical Science.

l9(2),

61-68

I{anclayani.

S.. and

Aty

I.S,

"Synthe

sis

and

Activitv Test

of

Sorne Compounds

1.-5-diphen-v1-1,.l-pentadiene-3-one

as

Potensial

Sun

Screen

Materiai".

Proc.

of

the

l

st

International

Seminar

on science and Technology (ISSTEC), Yogyakarta,

Indonesia. 2009

http ://rvwrv.chemi stryn'rag .or gl c1il20Ol

I

06l007ne.htrn

Tutik,

D..

Oksidasi

Anetol

dan

Kajian

Pengaruh

Gugus

Metoksi Turunan

bcnzaldehicle Ter-haciap

Ileaksi

Kondensasi

Benzoin

dan

Aldol

Silang.

Master Thesis. Gadjah Mada Universit),. I996

http.//r,vwlv. lr,'ebrnd.conr,/skin-probl erns-

sncl-treari'nents 3.

4.

5.

6.

122

20 :c .3 i3

ppm

AnlsBlben.alaetone{(l m.x 350 fis)

ro :c 50 ;f,

Gambar

Table l). methoxvphetryi)-5-pherryi-i..1-pentadiene-3-one) Theretirre compouncl 5 is (1(E),a(E)-l-(4'-oracetone.
Figure 2 conciderate comlnercial application. rreasure compound more Thc have that i000

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