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    • 1. 发明申请
    • Separation of tetrahydrocannabinols
    • 四氢大麻酚的分离
    • US20060264647A1
    • 2006-11-23
    • US11132251
    • 2005-05-19
    • Jason FieldJan OudenesBoris GorinRicardo OrprecioFabio SouzaNavindra RamjitEmma-Louise Moore
    • Jason FieldJan OudenesBoris GorinRicardo OrprecioFabio SouzaNavindra RamjitEmma-Louise Moore
    • C07D311/80
    • C07D311/80
    • An individual tetrahydrocannabinol isomer of interest is separated from a mixture containing two or more such isomers, by treating the mixture with an isocyanate or isothiocyanate of formula I: R—(CH2)n—N═C═X  (I) where R represents an aromatic ring optionally substituted with one or more electron withdrawing groups, n=0 or 1 and X is oxygen or sulphur; so as to produce a crystallizable THC carbamate of formula II: wherein X and R are as defined above, R′ is a C3-C10 alkyl group and the dotted lines indicate optional unsaturation including aromatic, separating the compound of formula II from solution in isolation of other THC derivatives, and hydrolyzing the compound of formula II to form the individual tetrahydrocannabinol isomer of interest.
    • 通过用式I的异氰酸酯或异硫氰酸酯处理该混合物,将目的单独的四氢大麻酚异构体与含有两​​种或更多种此类异构体的混合物分离:<?in-line-formula description =“In-line Formulas”end =“lead “?” - (CH 2)N - N C X(I)<?in-line-formula description =“In-line Formulas”end =“tail”? 其中R表示任选被一个或多个吸电子基团取代的芳环,n = 0或1,X是氧或硫; 以产生式II的可结晶的THC氨基甲酸酯:其中X和R如上所定义,R'是C 3 -C 10烷基,虚线 表示包括芳族的任选的不饱和键,分离式II化合物与溶液分离其它THC衍生物,并水解式II化合物以形成目的单独的四氢大麻酚异构体。