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:
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 which comprises isomerizing 6,7-exo-trimethylenebicyclo[3.2.1]octane in the presence of an acid catalyst.
摘要:
Compounds having the formula ##STR1## in which R is lower alkyl, and acid addition salts of said compounds. The compounds possess anti-RNA-viral activity and also an antiviral activity against herpes virus.
摘要:
4-HOMOISOTWISTANE-CARBOXYLIC ACID IS PREPARED BY REACTING 4-HOMOISOTWISTANE WITH T-BUTYL ALCOHOL AND FORMIC ACID OR CARBON MONOXIDE, IN THE PRESENCE OF SULFURIC ACID AS CATALYST.
摘要:
2,4-EXO-ETHANOBICYCLO[3.3.1]NONANE HAVING THE FORMULA (I): ##SPC1##is prepared by treating 2-endo-hydroxymethyl-2,3-exo-trimethylenenorbornane having the formula (II): ##SPC2##with a hydride donor and an acid catalyst.
摘要:
A process for the preparation of tricyclo[5.3.1.0.sup.3,8 ]undecane which comprises isomerizing 5,6-exo-trimethylenenorbornyl-2-carbinol in the presence of an acid catalyst and a hydride donor.
摘要:
A process for the preparation of tricyclo[5.3.1.0.sup.3,8 ]-undecane in which tricyclo[5.2.2.0.sup.2,6 ]undecane is isomerized in the presence of an acid catalyst.