PCT号 PCT / EP84 / 00141秒。 371日期1985年1月10日秒。 102（e）中的日期1985年1月10日提交的PCT 1984年5月10日的PCT公布。 号 WO84 / 04520的PCT公布。 十一月日期22，1984.The发明涉及1.三环[5.2.1.0.sup.2,6]癸烷衍生物的混合物，具有worin氢气对应于通式A，R1和R2主要异构体是氢原子或为甲基或 原子，取代基是甲基，另一个是氢原子，R3和R4是氢原子或为甲基或氢原子，取代基是甲基，另一个是氢原子，Y是 在C-4 /四氢呋喃一个系统C-5或C-5一substituiertem氧甲基基团和C-4是氢原子，R5是氢原子或C1-C6酰基，C1-C6烷基， C1-C6链烯基，C1-C4烷氧基，C1-C2alkoxycarbonyl-，甲酰基甲基，或二C 1 -C 4烷氧基的基团，和虚线表示一个CC-单键和CC-双键或 可选地具有两个CC单键。 R1，R2，R3，R4 = H，R1，R2 = H，CH 3（1×CH 3）R3，R4 = H，CH 3（1×CH 3） R5 = C1-C6acyl-，C1-6烷基 ，C1-C6alkenyl-，C1-C4alkoxymethyl-，C1-C2alkoxycarbonyl，甲酰基甲基，二C1-C 4alkoxyethyl组2.合成混合物的制备方法，worin二聚甲基环戊二烯在norbornanes部分选择性地氢化并且与甲醛反应 ，在质子酸或路易斯酸的存在下的多聚甲醛或三恶烷，任选地皂化或酯，醚，乙酸酯或oxoaldehydes以已知的方式制备，并且3.使用合成混合物用作perfuming-和调味材料。

Mixtures of tricyclo AD5.2.1.02,6 BDdécane, the major isomers being of formula (A) wherein R1 and R2 are hydrogen atoms, respectively a methyl group or a hydrogen atom, one of substituents being a methyl group and the other hydrogen; R3 and R4 represent hydrogen atoms, respectively a methyl group or a hydrogen atom, one of the substituents being a methyl group and the other hydrogen; Y represents a radical tetrahydrofuran at C-4 / C-5 or a group substituted oxymethyl C-5 and a hydrogen atom at C-4; R5 represents a hydrogen atom or an acyl having 1 to 6 C, an alkyl having 1 to 6 C, an alkenyl having 1 to 6 C, an alkoxymethyl which the alkoxy has from 1 to 4 carbon atoms, alkoxy carbonyl whose alkoxy has 1 or 2 C, a formylmethyl or dialkoxyéthyle which the alkoxy has from 1 to 4 C; the dotted leagues represent a CC single bond and a double bond or alternatively two CC single bonds. A process for preparing said mixtures, wherein selectively hydrate of methylcyclopentadiene dimer in Part norbornane and transformed with formaldehyde, paraformaldehyde or trioxane in the presence of protic acids or Lewis acids, before the saponification or to obtain in a manner known in itself an ester, an ether, an acetate or a oxoaldehyde. Use of such mixtures as fragrances and flavors.