the mother liquors produce further 16 %. After being washed with cold ethanol and ether, the crystals are analytically pure. The proton magnetic resonance spectrum 141 gave the following data (numbers indicate p.p.m with tetramethylsilane as standard) : Si(CH& Si-CHz-Si S-CHI-C C-CH2-0 0.6 3.0 3.8 4
Radiation-Chemical Synthesis of Phosphonium and Arsonium Salts
β Scribed by Dr. H. Drawe; Dipl.-Chem. G. Caspari
- Publisher
- John Wiley and Sons
- Year
- 1966
- Tongue
- English
- Weight
- 205 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
β¦ Synopsis
In CC14 solution the singlet signal for the hydroxymethyl group is at T = 6.68 (3 H), but in dimethyl sulfoxide there arc two signals with relative areas 1:2 (OH;CH2). The signal for the vinyl protons occurs at T = 5.42 (2 H). Infrared spectrum: 880, 1640, 1770, 3070 (=CH2), 1035, 3360 (broad association band), 3630 (primary OH), and 1365 cm-1 (CH3). Thc infrared spectrum of the alcohol (2) is identical with that of a sample prepared by reducing l-n~ethyl-4-metitylenccyclohexanc-I-carboxylic acid [21 with LiAlH4.
π SIMILAR VOLUMES
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