1) oxa-Pictet-Spengler reaction
oxa-Pictet-Spengler反应
2) Pictet-Spengler reaction
Pictet-Spengler反应
1.
METHODS Using tryptophan or 5-hydroxyl tryptophan and 5-substituted indole as starting materials,via the modified Pictet-Spengler reaction,pityriacitrin and its derivatives were synthesized.
方法使用色氨酸或五位被取代的色氨酸与5-取代吲哚作为起始原料,通过改进的Pictet-Spengler反应合成了Pityriacitrin及其衍生物。
2.
A series of chiral 1,3-disubstituted-1,2,3,4-tetrahydro-β-carbolines were synthesized by highly stereoselective Pictet-Spengler reaction of L-tryptophan methyl ester hydrobromide with aldehydes via a crystallization-induced asymmetric transformation process.
研究了L-色氨酸甲酯氢溴酸盐与醛的Pictet-Spengler反应,该反应经过一个晶体诱导过程,高立体选择性地合成了一系列1,3-二取代-1,2,3,4-四氢-β-咔啉化合物,其结构经1H NMR,IR,MS和元素分析表征。
3.
The Pictet-Spengler reaction of tryptamine hydrohalides with aldehydes was studied.
研究了色胺的氢卤酸盐与各种醛之间的Pictet-Spengler反应,成功地合成了一系列的1-取代-1,2,3,4-四氢-β-咔啉化合物,其结构经1HNMR,IR,HR-MS表征。
3) N-acyl Pictet-Spengler reaction
N-酰基化Pictet-Spengler反应
4) Pictet-Spengler condensation
Pictet-Spengler缩合
1.
Methods: The target compound was obtained from L-tryptophan via 6-step reactions, including the Pictet-Spengler condensation, methylation, aromatization, hydrolyzation, coupling reaction and hydrolyzation.
方法:以L-色氨酸为原料,先后经Pictet-Spengler缩合、甲基化、芳构化、水解、与甘氨基酸酯偶联、水解共6步反应,生成目标化合物。
2.
A novel phosphodiesterase type-5 inhibitor, Tadalafil in a total yield of 64%, was synthesized from D-tryptophan by Pictet-Spengler condensation, N-acylation reaction and cyclization.
以D-色氨酸甲酯盐酸盐为原料,经过Pictet-Spengler缩合、N-酰化以及环合反应,合成了磷酸二酯酶-5抑制剂——他达那非,总收率64%。
5) Oxa-Diels-Alder reaction
Oxa-Diels-Alder反应
1.
In this context, we document the organocatalytic asymmetric Aldol reactions as well as Oxa-Diels-Alder reactions.
本文研究了用脯胺酰胺催化的不对称Aldol反应和吡咯烷催化的Oxa-Diels-Alder反应来合成四氢吡喃酮类化合物，取得了满意的结果。
6) oxa-Michael reaction
oxa-Michael加成反应
1.
Although oxa-Michael reaction is an important protocol and often applied in the total synthesis of natural products,it has only recently gained considerable interest.
简要综述了oxa-Michael加成反应的研究进展。
补充资料：2-Oxa-1,4-butanediol diacetate
分子式：C7H12O5
分子量：176.17
CAS号：67429-12-3
性质：暂无
制备方法：暂无
用途：开环鸟嘌呤的中间体。
分子量：176.17
CAS号：67429-12-3
性质：暂无
制备方法：暂无
用途：开环鸟嘌呤的中间体。
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