1) Spironaphthopyran
螺萘并吡喃
2) naphthopyran
萘并吡喃
1.
The substituted naphthopyrans have been synthesized by the reaction of aromatic aldehydes with malononitrile (or ethyl cyanoacetate) and β-naphthol in ethanol at reflux in the presence of piperidine.
以芳醛、丙二腈(或氰乙酸酯)、β-萘酚为原料在六氢吡啶存在下以乙醇为溶剂一锅合成了取代萘并吡喃,产物的结构通过单晶X射线衍射分析确定。
2.
The naphthopyrans compounds were structurally modified and characterized by IR,~1H-NMR and MS methods.
通过缩合反应对萘并吡喃结构进行了结构改性,合成了新的萘并吡喃类化合物,分别测定了产物的熔点及计算了产率,其结构经红外光谱、核磁共振和质谱进行了结构确证。
3) benzothiazospironaphtopyran
苯并噻唑螺萘并吡喃
1.
Two benzothiazospironaphtopyran photochromic compounds have been synthesized by reacting 2-hydroxy naphthaldehyde with 2-methylenebenzothiazole derivatives respectively, under microwave irradiation in good yields:61% for SP1 and 59% for SP2.
但是以 2 亚甲基苯并噻唑衍生物 ,2 羟基萘甲醛为原料 ,采用微波辐射法合成苯并噻唑螺萘并吡喃光致变色化合物 ,还未见报道。
4) indolinespironaphthopyran
吲哚啉螺萘并吡喃
1.
Using 2-naphthol phenylhydrazine and 3-methyl-2-butanone as main raw materials,the title compound 1,3,3-trimethylindolinespironaphthopyran containing naphthalene ring was designed and synthesized through a series of reaction.
以2-萘酚、苯肼和3-甲基-2-丁酮为原料,设计并合成了一种含萘环螺吡喃类光致变色化合物:1,3,3-三甲基吲哚啉螺萘并吡喃,通过1HNMR、IR和元素分析表征了它的分子结构,利用紫外光谱和荧光光谱对目标化合物的吸收光谱和光致发光光谱进行了研究,初步探索了目标产物的光致变色性能。
5) naphthopyrones
萘并吡喃酮
6) 3H-naphthopyran
3H-萘并[2,1-b]吡喃
1.
And three novel 3H-naphthopyrans with long chain substituents were synthesized by the condensation of 6-n-dodecylnaphthen-2-ol with prop-2-yn-1-ols,which are 8-dodecyl-3,3′-diphenyl-3H-naphthopyran(NP1),8-dodecyl-3,3′-bis(p-methoxyphenyl)-3H-naphthopyran(NP2) and 8-dodecyl-3,3′-bis(p-n-butoxyphenyl)-3H-naphtho pyran(NP3),respectively.
在相转移催化剂C18H37N(CH3)3C l的存在下合成了6-十二烷基-2-萘酚;6-十二烷基-2-萘酚分别与3种炔醇进行缩合,得到了3种萘环上有柔性长链的萘并吡喃:8-十二烷基-3,3-二苯基-3H-萘并[2,1-b]吡喃(NP1)、8-十二烷基-3,3-二(4,4′-甲氧基)苯基-3H-萘并[2,1-b]吡喃(NP2)、8-十二烷基-3,3-二(4,4′-甲氧基)苯基-3H-萘并[2,1-b]吡喃(NP3),对它们在溶液中和高分子膜中光致变色性能进行了研究。
补充资料：苯并硫吡喃类螺吡喃
分子式：
CAS号：
性质： 含有硫吡喃环的螺环化合物。一种光致变色染料。开环有色态的颜色一般较同类螺吡喃的有色态深，吸收波长较长。
CAS号：
性质： 含有硫吡喃环的螺环化合物。一种光致变色染料。开环有色态的颜色一般较同类螺吡喃的有色态深，吸收波长较长。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条