作者:Petra Gries、Helmut Kristen、Christian Vogel
DOI:10.1016/0008-6215(87)80270-7
日期:1987.9
diethyl dithioacetal, and 6-amino-6-deoxy-2,3:4,5-di- O -isopropylidene- d -galactose diethyl dithioacetal to give the corresponding 6-deoxy-6-(2,2-dicyano-1-methylthiovinylamino)- d -galactose derivatives. 6-Deoxy-6-(2,2-dicyano-1-methylthiovinylamino)- d -galactose diethyl dithioacetal yielded 6-amino-6-deoxy-5- O ,6- N -(2,2-dicyanovinylidene)- d -galactose diethyl dithioacetal. On heating with
摘要用6-氨基-6-脱氧-1,2:3,4-二-O-异亚丙基-α-d-吡喃半乳糖,6-氨基-6处理了2-氰基-3,3-双(甲硫基)丙烯腈-脱氧-d-半乳糖二乙基二硫缩醛和6-氨基-6-脱氧-2,3:4,5-二-O-异亚丙基-d-半乳糖二乙基二硫缩醛得到相应的6-脱氧-6-(2, 2-二氰基-1-甲基硫代乙烯基氨基)-d-半乳糖衍生物。6-脱氧-6-(2,2-二氰基-1-甲基硫代乙烯基氨基)-d-半乳糖二乙基二硫缩醛产生6-氨基-6-脱氧-5-O,6-N-(2,2-二氰基亚乙烯基)-d-半乳糖二乙基二硫缩醛。与碱一起加热时,6-脱氧-6-(2,2-二氰基-1-甲基硫代丙烯酰胺基)-d-半乳糖提供两种化合物的混合物。