1) 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。
2) Spironaphthopyran
螺萘并吡喃
3) naphthopyrones
萘并吡喃酮
4) 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。
5) naphtho[2,1-b]pyran
萘并[1,2-b]吡喃
6) 4H-naphtho[1,2-b]chromene
4H-萘并[1,2-b]吡喃
补充资料：α-D-吡喃(型)葡糖基-α-D-吡喃葡糖苷
CAS: 99-20-7
分子式: C12H22O11
分子量: 342.30
熔点: 214-216℃
中文名称: 蕈糖；海藻糖；α-D-吡喃(型)葡糖基-α-D-吡喃葡糖苷
英文名称: Trehalose;.alpha.-D-Glucopyranoside, .alpha.-D-glucopyranosyl;alpha-d-glucopyranoside, alpha-d-glucopyranosyl;d-trehalose anhydrous
分子式: C12H22O11
分子量: 342.30
熔点: 214-216℃
中文名称: 蕈糖；海藻糖；α-D-吡喃(型)葡糖基-α-D-吡喃葡糖苷
英文名称: Trehalose;.alpha.-D-Glucopyranoside, .alpha.-D-glucopyranosyl;alpha-d-glucopyranoside, alpha-d-glucopyranosyl;d-trehalose anhydrous
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