摘要:
A process for the preparation of tricyclo[5.3.1.0.sup.3,8 ]-undecane which comprises isomerizing 6,7-exo-trimethylenebicyclo[3.2.1]octane in the presence of an acid catalyst.
摘要:
Tricyclo[6.2.1.0.sup.2,6 ]undeca-2(6)-ene is disclosed and there is further disclosed a process for the hydride transfer reduction rearrangement of tricyclo[6.2.1.0.sup.2,6 ]undeca-2(6)-ene having the formula (I): ##STR1## by subjecting tricyclo[6.2.1.0.sup.2,6 ]undeca-2(6)-ene having the formula (I) to rearrangement with concentrated sulfuric acid in the presence of a hydride source to convert it to 4-homoisotwistane (tricyclo[5.3.1.0.sup.3,8 ]undecane) having the formula (II): ##STR2##
摘要:
A process for the preparation of tricyclo [5.3.1.0.sup.3,8 ]-undecane, in which endo-tetramethylenenorbornane is isomerized in the presence of an acid catalyst.
摘要:
The hydride transfer reduction rearrangement of 8-exo-hydroxymethyl-endo-tricyclo [5.2.1.0.sup.2,6 ] decane in the presence of concentrated sulfuric acid and a hydride source provides 4-homoisotwistane (tricyclo [5.3.1.0.sup.3,8 ] undecane).
摘要:
A process for the hydride transfer reduction rearrangement of tricyclo[6.2.1.0.sup.2,6 ]undeca-2(6)-ene having the formula (I): ##STR1## by subjecting tricyclo[6.2.1.0.sup.2,6 ]undeca-2(6)-ene having the formula (I) to rearrangement with concentrated sulfuric acid in the presence of a hydride source to convert it to 4-homoisotwistane (tricyclo[5.3.1.0.sup.3,8 ]undecane) having the formula (II): ##STR2##
摘要:
The compound 8-exo-hydroxy-endo-tricyclo[5.2.2.0.sup.2,6 ]-undecane having the formula (I): ##STR1## is prepared by subjecting endo-tricyclo[5.2.2.0.sup.2,6 ]undec-8-ene having the formula (II): ##STR2## to hydroboration and oxidation with hydrogen peroxide.
摘要:
4-HOMOISOTWIST-3-YL-CARBINOL HAVING THE FORMULA (II): ##STR1## is prepared by reducing 4-homoisotwistane-3-carboxylic acid or a salt or lower alkyl ester thereof, having the formula (I): ##STR2## wherein A is hydrogen, one equivalent of an alkali metal or an alkaline earth metal, or an alkyl group having 1 to 8 carbon atoms.
摘要:
A process for the preparation of tricyclo[5.3.1.0.sup.3,8 ]-undecane in which 6,7-endo-trimethylenebicyclo[3.2.1]octane is isomerized in the presence of an acid catalyst.
摘要:
A 2-(.alpha.-substituted alkyl)-2-imidazoline represented by the general formula I: ##STR1## wherein R.sub.1 represents a C.sub.6 -C.sub.20 alkyl or alkenyl group and R.sub.2 represents a C.sub.1 -C.sub.4 alkyl group which is novel and useful as an intermediate for useful surfactants and polymer-modifiers.