STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP SITRONELAL
Synthesis of 5-(3,3-dimethyloxiran-2-il)-3-methylpentanal, 7-hydroxy3,7- dimethyl-6-oxooctanal, 3,7-dimethyloctanal and citronellol from citronellal via addition have been carried out. Additions have been done by: epoxidation, hydroxylation, and hydrogenation. Citronellal was isolated from citronell...
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| Format: | Thesis |
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[Yogyakarta] : Universitas Gadjah Mada
2011
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| _version_ | 1826043598189101056 |
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| author | , Dini Rohmawati, S.Si , Prof. Dr. Jumina |
| author_facet | , Dini Rohmawati, S.Si , Prof. Dr. Jumina |
| author_sort | , Dini Rohmawati, S.Si |
| collection | UGM |
| description | Synthesis of 5-(3,3-dimethyloxiran-2-il)-3-methylpentanal, 7-hydroxy3,7-
dimethyl-6-oxooctanal, 3,7-dimethyloctanal and citronellol from citronellal
via addition have been carried out. Additions have been done by: epoxidation,
hydroxylation, and hydrogenation.
Citronellal was isolated from citronella oil by chemical methods.
Citronellal was isolated by NaHSO. 6 M and followed with Na.CO. 0.8 M.
Epoxidation with peroxymonocarbonate was done by two methods. The First
method of the reaction was accomplished at room temperature without stirring
for 24 hours while the second method with MnSO. as catalyst was stirred at 20.C
for 4 hours. Hydroxylation was done by KMnO. at 0-3.C for 1.5 hours in alkaline
condition with water and methanol as solvent. Hydrogenation by Raney-nickel as
catalyst was started with washing alloy Al-Ni using NaOH 6.5 M and followed by
hydrogenation for 2 hours.
Citronellal produced by chemical method was in 63.68% yield and
93.81% purity. 5-(3,3-Dimethyloxiran-2-il)-3-methylpentanal was obtained by
epoxidation of citronellal with peroxymonocarbonate and MnSO. in 76.5% yield
whereas epoxidation of citronellal with peroxymonocarbonate gave 27.48%
yield. 7-Hydroxy-3,7-dimethyl-6-oxooctanal was produced by hydroxylation
citronelal with KMnO. in H.O as solvent in 69.89% yield while hydroxylation in
methanol as solvent gave 91.40% yield. 3,7-Dimethyloctanal and citronellol were
produced by hydrogenation of citronellal using Raney-nickel as catalyst with total
percentage of conversion of 88.46% within 5.13% and 31.21% purity. |
| first_indexed | 2024-03-13T22:06:20Z |
| format | Thesis |
| id | oai:generic.eprints.org:89145 |
| institution | Universiti Gadjah Mada |
| last_indexed | 2024-03-13T22:06:20Z |
| publishDate | 2011 |
| publisher | [Yogyakarta] : Universitas Gadjah Mada |
| record_format | dspace |
| spelling | oai:generic.eprints.org:891452014-08-20T02:51:04Z https://repository.ugm.ac.id/89145/ STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP SITRONELAL , Dini Rohmawati, S.Si , Prof. Dr. Jumina ETD Synthesis of 5-(3,3-dimethyloxiran-2-il)-3-methylpentanal, 7-hydroxy3,7- dimethyl-6-oxooctanal, 3,7-dimethyloctanal and citronellol from citronellal via addition have been carried out. Additions have been done by: epoxidation, hydroxylation, and hydrogenation. Citronellal was isolated from citronella oil by chemical methods. Citronellal was isolated by NaHSO. 6 M and followed with Na.CO. 0.8 M. Epoxidation with peroxymonocarbonate was done by two methods. The First method of the reaction was accomplished at room temperature without stirring for 24 hours while the second method with MnSO. as catalyst was stirred at 20.C for 4 hours. Hydroxylation was done by KMnO. at 0-3.C for 1.5 hours in alkaline condition with water and methanol as solvent. Hydrogenation by Raney-nickel as catalyst was started with washing alloy Al-Ni using NaOH 6.5 M and followed by hydrogenation for 2 hours. Citronellal produced by chemical method was in 63.68% yield and 93.81% purity. 5-(3,3-Dimethyloxiran-2-il)-3-methylpentanal was obtained by epoxidation of citronellal with peroxymonocarbonate and MnSO. in 76.5% yield whereas epoxidation of citronellal with peroxymonocarbonate gave 27.48% yield. 7-Hydroxy-3,7-dimethyl-6-oxooctanal was produced by hydroxylation citronelal with KMnO. in H.O as solvent in 69.89% yield while hydroxylation in methanol as solvent gave 91.40% yield. 3,7-Dimethyloctanal and citronellol were produced by hydrogenation of citronellal using Raney-nickel as catalyst with total percentage of conversion of 88.46% within 5.13% and 31.21% purity. [Yogyakarta] : Universitas Gadjah Mada 2011 Thesis NonPeerReviewed , Dini Rohmawati, S.Si and , Prof. Dr. Jumina (2011) STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP SITRONELAL. UNSPECIFIED thesis, UNSPECIFIED. http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=51476 |
| spellingShingle | ETD , Dini Rohmawati, S.Si , Prof. Dr. Jumina STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP SITRONELAL |
| title | STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP
SITRONELAL |
| title_full | STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP
SITRONELAL |
| title_fullStr | STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP
SITRONELAL |
| title_full_unstemmed | STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP
SITRONELAL |
| title_short | STUDI EPOKSIDASI, HIDROKSILASI, DAN HIDROGENASI TERHADAP
SITRONELAL |
| title_sort | studi epoksidasi hidroksilasi dan hidrogenasi terhadap sitronelal |
| topic | ETD |
| work_keys_str_mv | AT dinirohmawatissi studiepoksidasihidroksilasidanhidrogenasiterhadapsitronelal AT profdrjumina studiepoksidasihidroksilasidanhidrogenasiterhadapsitronelal |