Abstract C-Alkylations of phenol with 1-chloro and 1-bromoadamantane, 2-bromoadamantane, cyclohexyl bromide and exo-2-bromonorbornane, and C-alkylations of para-substituted phenol derivatives with 2-bromoadamantane are described.
Hydroxyphenyl adamantanes and process for the production of the same
申请人:——
公开号:US20030187307A1
公开(公告)日:2003-10-02
Hydroxyphenyl adamantanes are represented by the general formula (1):
1
wherein R is an alkyl group, cycloalkyl group or phenyl group; m is 0 or an integer 1 or 2; l is 0 or 1; when l is 1, hydroxy groups of substituted hydroxyphenyl groups at positions 1 and 3 are together in para-position; n is 0 or an integer 1, 2 or 3; and when l is 0, n is an integer 1, 2 or 3.
REACTION OF<i>exo</i>-2-NORBORNYL AND 1-ADAMANTYL<i>p</i>-TOLUENESULFONATES WITH SODIUM PHENOXIDE IN TETRAHYDROFURAN. IONIZATION OF THE SUBSTRATES UNDER “APPARENTLY-S<sub>N</sub>2” CONDITIONS
exo-2-Norbornyl and 1-adamantyl tosylates react with sodiumphenoxide in tetrahydrofuran via ionization, most probably through a cyclic transition state. The results call for attention in interpreting substitution reactions under “apparently-SN2” conditions.
The structure, photochemical reactivity, and photophysical properties of adamantyl X-substituted aryl ethers and a comparison with the alkyl groups, methyl, <i>tert</i>-butyl, and allyl
作者:A L Pincock、J A Pincock
DOI:10.1139/v05-117
日期:2005.9.1
The structure, photophysical properties, and photochemistry of the adamantyl aryl ethers 1 in both methanol and cyclohexane have been examined. UV absorption spectra, 13C NMR chemical shifts, X-ray structures, and Gaussian calculations (B3LYP/6-31G(d)) indicate that these ethers adopt a 90° conformer in the ground state. In contrast, fluorescence spectra, excited singlet state lifetimes, and calculations
Provided is a method for producing a phenol condensate by oxidative condensation of a phenol compound not having a substituted group on at least one ortho-position, in the presence of a specific complex (II) and oxygen, wherein a condensate coupled at para-position of the phenol can be produced in an excellent yield,
L-M (X)
n
(II)
wherein L represents a ligand having 2 to 4 nitrogen atoms as donor atoms, M represents copper ion, nickel ion, cobalt ion, iron ion, manganese ion, chromium ion or vanadyl ion, X represents a counter ion, n is a number of Xs.