mcnt is not very close ; the discrepnncy is probnbly due to trnccs of the dinlcohol. Cottdetisation with p-cre.~oI.-O~ 1 g. of moiionlcohol wns dissolved in 1 -0 g. of molten p-cresol and 0.1 C.C. of snturnted nlcoliolic hydrogen chloride ntlded. After henting for linlf nil hour a t 100" the product
The antioxidant effect of 2,2′,3,3′ -tetrahydroxy-5,5′-dimethyl biphenyl
✍ Scribed by Chang, Yuchung ;Gisvold, Ole
- Publisher
- Elsevier
- Year
- 1949
- Weight
- 194 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0095-9553
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## Abstract Biphenyl‐2,2′,3,3′,5,5′,6,6′‐^2^H~8~ was prepared from biphenyl‐d~10~. Initial bromination of biphenyl‐d~10~ followed by hydrogenolysis of the 4,4′‐dibromobiphenyl‐d~8~ with lithium aluminum hydride gave the desired product in 40% overall yield.
The [Co(PF3)4]0 anion can be precipitated from aqueous solutions with voluminous cations. During the conversion of HCo(PF3)d into [Co(PF3)4]0, a bathochroniic shift of the P-F valence vibrations is observed which is probably due to a reduction in the double-bond character of the P-F bond. At PF3-pr