吲哚广泛存在于药物和天然产物中。研究者展示了色胺衍生物的一种分子内骨架编辑反应。该反应通过侧链酰胺的光反应实现,同时完成了吲哚C2位区域选择性的单碳置换与取代。该策略不仅能够在吲哚C2位实现氘代、烷基化、芳基化和酰基化,还能够将13C标记的碳原子引入骨架中。 通过对复杂单萜吲哚生物碱quebrachamine的简洁四步全合成,研究者验证了该方法的实用价值。实验研究与密度泛函理论计算揭示了一条涉及级 ...
The University of Nottingham Ningbo China (UNNC) has officially released its 2024/25 Academic Year Careers and Employability ...
投稿通道2026年第二十三届华人运动生理与体适能学术大会第一轮通知(截稿日期至2026年7月15日)First-Round Announcement (Deadline for Submission: 15th July, ...
BUDAPEST, April 29 (Xinhua) -- The Confucius Institute at Eotvos Lorand University (ELTE) marked its 20th anniversary on Wednesday with a ceremony in Budapest, bringing together university leaders, di ...
Amid global geopolitical uncertainties, opening-up in education is not merely about academic exchanges among nations and ...
NANJING, April 30 (Xinhua) -- The international collaboration of the Dark Matter Particle Explorer (DAMPE) satellite on Thursday announced its latest findings, reporting for the first time the observa ...
一位60岁的大姐拄着拐杖进来,膝盖疼了五年,骨刺手术做了两次,又长出来了。她苦笑着说:“大夫,这骨刺是韭菜吗?割了一茬又一茬。”我搭脉,尺脉沉弱。“中医讲‘肝主筋,肾主骨’。从这个角度看,骨质增生可能不只是局部的问题,而是肝肾状态的一种反映。你光磨骨刺,就像把草割了,根还在。如果换个思路,从肝肾入手去调理呢?”她若有所思地摸了摸膝盖。 这话一出,很多人都愣住了。 最后甚至走到“换关节”的地步。 为 ...
4月21日,哈佛大学研究生工会(HGSU-UAW Local 5118)正式宣布罢工。数十名研究生手持标语聚集在科学中心广场高声喊出口号:“哈佛,发薪水给你的学术劳动者,你们有五百亿美元[1]”!
(Students from Beijing University of Posts and Telecommunications learn to identify meat patterns during a culinary class on ...
Sitting at his desk in Malaysia, Goh Kang Thong, a recent graduate of the School of Science and Engineering at The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), sketches blueprints for au ...