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All Journal Cakrawala Pendidikan Jurnal Penelitian Saintek Jurnal Penelitian Humaniora Jurnal Sains Dasar Indonesian Journal of Chemistry Molekul: Jurnal Ilmiah Kimia Jurnal Riset Pendidikan Kimia (JRPK) Indonesian Journal of Chemistry and Environment Jurnal Elemen Kimia Jurnal Riset Pembelajaran Kimia

Cornelia Budimarwanti

Universitas Negeri Yogyakarta

Author-ID : 3606706

Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences

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OKSIDASI SENYAWA 1-(3,4-DIMETOKSIFENIL-2-PROPANOL DENGAN PIRIDINIUM KLOROKROMAT Cornelia Budimarwanti
Jurnal Penelitian Humaniora Vol 3, No 3: Oktober 1998
Publisher : LPPM UNY

Abstrak Eugenol merupakan komponen utama penyusun minyak daun cengkeh, kadarnya berkisar antara 80-90%. Eugenol mempunyai beberapa gugus fungsional, yaitu gugus olefin atau alil, fenol, dan eter. Dengan adanya gugus-gugus fungsional tersebut,maka dimungkinkan untuk mengubah eugenol menjadi senyawa turunannya. Salah satu senyawa turunan eugenol adalah metileugenol. Metileugenol mempunyai gugus alil yang dapat dikenai reaksi hidrasi sehingga akan dihasilkan senyawa 1-(3,4-dimetoksifenil)-2-propanol. Senyawa 1-(3,4-dimetoksifenil)-2-propanol merupakan senyawa alkohol sekunder, apabila dioksidasi diharapkan akan diperoleh senyawa 1-(3,4-dimetoksifenil)-2-propanol. Senyawa keton tersebut dapat dipergunakan sebagai bahan dasar pembuatan senyawa α-metil-DOPA yang dikenal sebagai obat sakit Parkinson.Oksidasi 1-(3,4-dimetoksifenil)-2-propanol dilakukan dengan menggunakan oksidator piridinium klorokromat (PCC). Reaksi oksidasi dilakukan dengan variasi suhu reaksi, jumlah molPCC, dan waktu reaksi. Hasil oksidasi dianalisis dengan alat kromatografi gas, spektrofotometer infra merah dan spektrofotometer massa. Dari berbagai kondisi reaksi oksidasi dengan PCC dapat diperoleh senyawa 1-(3,4-dimetoksifenil)-2-propanol. Hasil terbaik diperoleh dari reaksi oksidasi yang dilakukan pada suhu kamar. Perbandingan mol alkohol: PCC=1:3, dan waktu reaksi 1,5 jam. Pada kondisi tersebut senyawa 1-(3,4-dimetoksifenil)-2-propanol yang diperoleh mempunyai kemurnian 86,3% dan rendemen 94,4%.

ANALISIS TINGKAT STRES PADA IBU RUMAH TANGGA DI KOTA YOGYAKARTA PASCA KENAIKAN HARGA BAHAN BAKAR MINYAK (BBM) Cornelia Budimarwanti
Jurnal Penelitian Humaniora Vol 13, No 1: April 2008
Publisher : LPPM UNY

This Research is aimed to find out the opinions of housewives of low-middle economic classes towards the government’s policy in increasing the refined fuel oil’s price, to determine the impacts which are experienced by housewives both physically and physiologically after the increasing price of refined fuel oil (BBM) and to determine the stress level of which is experienced by housewives of low-middle economic classes after such increase. The samples were taken from housewives in Yogyakarta City of low-middle economic status. The total of the samples are 126 and taken from 9 sub-districts. This research employs 2 instruments, observation and questionnaire sheets. The housewives’ opinions to the policy of price increase of BBM are divided into three groups. They are the objecting housewives, no commenting-house wives and the housewives who think that such increasing price is a normal occurrence. The result of analysis shows that, in general, the stress level of housewives living in Yogyakarta after the increasing price of refined fuel oil (BBM) is included into very low category; in details of 46.8 % respondents with very low stress level, 35.7% respondents with low stress level, 15.1 % respondents with medium stress level and 2.4 respondents with high stress level.

Co-Authors Abdillah, Muchammad Ikmal Anasriah, Tria Novita Chintya Ayu Triwijayanti Dewi, Romala Dini Rohmawati Dwi Lestari Eka Purnama Evy Yulianti Handayani, Sri Indyah Sulistyo Arty Indyah Sulistyo Arty Isnaeni, Wahyu Nur Karim Theresih Karim Theresih Karim Theresih Kurniawan, Yohanes Dedi Maghisya Oktanni Maghisya Tri Oktanni Melati Khairuddean Novia Putri Ramadhani Prashinta Nita Damayanti Pratiwi, Oktavia Rahmawati, Dita Rakhmawati Kurniasih Sari, Dista Arum Sri Handayani Tesia Aisyah Rahmania Tjakraningtyas, Wahyu Utami, Julia Wahyono, Joko Winarto Haryadi Yuliyanti, Diana

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