1,141,772. 13 - Alkyl - gonahexaenes. H. SMITH. 25 May, 1966 [7 June, 1965 (2); 28 June, 1965], No. 23273/66. Addition to 1,116,810. Heading C2U. The invention comprises 17-alkoxy-13-alkylgona - 1,3,5(10),8,14,16 - hexaenes wherein the 13 - alkyl group contains at least 2 carbon atoms e.g. compounds of formula wherein R<;SP>;1<;/SP>; is an alkyl group having at least two carbon atoms, R<;SP>;2<;/SP>; is an etherified hydroxy group, R<;SP>;3<;/SP>; is an etherified hydroxy or acyloxy group, and each R is a hydrogen atom or an alkyl group, including both 13#- and 13α- enantiomers and racemates thereof, and their preparation by reaction of the corresponding 17 - keto - 1,3,5(10),8,14 - pentaene or 8 - seco - 14,17 diketo - 1,3,5(10),9(11) - tetraene with an alcohol under substantially anhydrous conditions. 13 - Alkyl -gona- 1,3,5(10),8-tetraenes wherein the 14 - hydrogen atom is transto the 13- alkyl group and the 17-substituent is cis to the 13-alkyl group are prepared by catalytic hydrogenation of the compounds of the invention. 13 - Alkyl - gona - 1,3,5(10) - trienes wherein the hydrogen atoms at the 8, 9 and 14 positions are transto the 13-alkyl group are prepared by catalytic hydrogenation either of the compounds of the invention or of the 1,3,5(10),8- tetraenes prepared therefrom.;/SP>;SP>;/SP>;SP>;/SP>;SP>
1,141,772.13 - 烷基 - 戈纳六烯。H. 史密斯。1966年5月25日 [1965年6月7日 (2); 1965年6月28日],编号23273/66。对1,116,810的补充。标题C2U。该发明包括17-烷氧基-13-烷基戈纳-1,3,5(10),8,14,16-六烯,其中13-烷基基团含有至少2个碳原子,例如,化合物的公式,其中R1是至少含有两个碳原子的烷基基团,R2是醚化的羟基基团,R3是醚化的羟基或酰氧基团,每个R是氢原子或烷基基团,包括13#-和13α-对映体及其混合物,以及通过在基本无水条件下将相应的17-酮-1,3,5(10),8,14-五烯或8-环 - 14,17-二酮-1,3,5(10),9(11)-四烯与醇反应制备它们。通过催化氢化该发明的化合物制备14-氢原子与13-烷基基团相对应且17-取代基与13-烷基基团相对应的13-烷基-戈纳-1,3,5(10),8-四烯。通过催化氢化该发明的化合物或从中制备的1,3,5(10),8-四烯,制备氢原子在8、9和14位置与13-烷基基团相对应的13-烷基-戈纳-1,3,5(10)-三烯。