Zobrazeno 1 - 10
of 36
pro vyhledávání: '"M Muchalal"'
Publikováno v:
JPSCR: Journal of Pharmaceutical Science and Clinical Research, Vol 6, Iss 3, Pp 327-338 (2021)
Naringenin merupakan flavonoid isolat kulit buah jeruk yang mempunyai kelarutan yang rendah. Potensi naringenin dalam terapi dermatitis atopik pada sistem penghantaran transfersom dapat meningkatkan kemampuan naringenin dalam berpenetrasi ke dalam ku
Externí odkaz:
https://doaj.org/article/7d9b92eefeb0478396b98d19440f2628
Autor:
Deni Pranowo, M Muchalal
Publikováno v:
Indonesian Journal of Chemistry, Vol 4, Iss 1, Pp 62-67 (2010)
Research on transesterification of soybean oil with sodium methoxide as the catalyst in methanol has been conducted. Yields of transesterification reaction were analyzed by gas chromatography-mass spectroscopy (GC-MS). GC-MS spectrum showed that meht
Externí odkaz:
https://doaj.org/article/ba9f64fed6354c63b9704da269fb927d
Publikováno v:
Indonesian Journal of Chemistry, Vol 2, Iss 2, Pp 125-129 (2010)
The synthesis of veratryl cyanide [1-(3,4-dimethoxy phenyl acetonitril] required as an intermediate for the preparation of C-9154 antibiotic derivative was carried out. The starting material used was vanilin, while the reaction steps consisted of (1)
Externí odkaz:
https://doaj.org/article/272a9725d10a4ebf86a80cb079287f53
Autor:
M Muchalal, Trisulistyaningsih Rahayu
Publikováno v:
Indonesian Journal of Chemistry, Vol 2, Iss 3, Pp 155-160 (2010)
Main and side products from reaction of caryophyllene oxide and formic acid have been isolated using column chromatography with silica gel 60 G as stationary phase and n-hexane : ethyl acetat (9:1, v/v) as mobile phase. The first and second fraction
Externí odkaz:
https://doaj.org/article/7b513472ecb64cbcb7bd6af641584745
Publikováno v:
JPSCR: Journal of Pharmaceutical Science and Clinical Research, Vol 6, Iss 3, Pp 327-338 (2021)
Naringenin merupakan flavonoid isolat kulit buah jeruk yang mempunyai kelarutan yang rendah. Potensi naringenin dalam terapi dermatitis atopik pada sistem penghantaran transfersom dapat meningkatkan kemampuan naringenin dalam berpenetrasi ke dalam ku
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 9, Iss 2, Pp 128-135 (2014)
Characterisation and catalytic ativities investigation of modified natural zeolite on cyclisation acetylation reaction of (R)-(+)-citronellal was performed. The experimental work involved isolation of (R)-(+)-citronellal from Java Citronella oil (Cym
Publikováno v:
Indonesian Journal of Chemistry. 10:201-206
Two steps transformation of (+)-citronellal, cyclization and hydrogenation, on ZnBr2/γ-Al2O3 and Ni/γ-Al2O3 catalyst have been realized with the selectivity to cyclization products (isopulegols) was very high (yield up to ~92.58%) over ZnBr2/γ-Al2
Publikováno v:
Indonesian Journal of Chemistry. 10:189-194
Kinetic in cyclisation-acetylation of (R)-(+)-citronellal with acetic anhydride was investigated over Zn2+-Natural zeolite (Zn2+-Natzeo) as a catalyst. (R)-(+)-citronellal has been isolated from citronella oil by fractional distillation under reducin
Publikováno v:
Indonesian Journal of Chemistry. 9:89-94
Synthesis of menthol using Ni/g-Al2O3 15% has been carried out started from pulegol as precursor. Structure elucidation of the products was achieved by GC-FID, GC-MS, FTIR, and 1H-NMR evidences. Isomers identification and their stability were determi
Autor:
M. Muchalal
Publikováno v:
Indonesian Journal of Chemistry, Vol 5, Iss 2, Pp 169-172 (2010)
Indonesian Journal of Chemistry; Vol 5, No 2 (2005); 169-172
Indonesian Journal of Chemistry; Vol 5, No 2 (2005); 169-172
Catalytic hydrogenation of eugenol (Mr 164) and isoeugenol (Mr 164) by using synthetic catalyst Ni/ -Al 2 O 3 had been carried out. Eugenol transformation into 2-methoxy-4-propylphenol (Mr 166) as a main product could be achieved in 100% and no c