Evidence map›Paper›PMID 42044977›Full record

ArticleOrganic letters2026

Copper-Catalyzed Petasis-Type Reaction Enables Efficient Synthesis of C1-Substituted Tetrahydro-β-carbolines.

Kai Cheng, Jialong Li, Shucai Cai, Jianyi Wang, Lixin Liang, Rongbiao Tong

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Organic letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Kai ChengSchool of Medicine, Guangxi University, Nanning 530004, China.
Jialong LiSchool of Medicine, Guangxi University, Nanning 530004, China.
Shucai CaiSchool of Medicine, Guangxi University, Nanning 530004, China.
Jianyi WangSchool of Medicine, Guangxi University, Nanning 530004, China.ORCID 0000-0003-3917-8327
Lixin LiangSchool of Medicine, Guangxi University, Nanning 530004, China.ORCID 0000-0003-1790-8472
Rongbiao TongDepartment of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong 999077, China.ORCID 0000-0002-2740-5222

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Petasis and Petasis-type reactions represent a powerful transformation for constructing a wide array of functionalized amines from simple amines, aldehydes, and organoborons. An α-oxygen or α-nitrogen directing group on the aldehyde component is typically required to facilitate carbon transfer from organoboron to the iminium ion. Herein, we report the first Petasis-type reaction of previously unexplored

Identifiers

PMID42044977
PMCPMC13162319

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.