Evidence map›Paper›PMID 37024718›Full record

ArticleNature chemistry2023

Nature-inspired methylated polyhydroxybutyrates from C1 and C4 feedstocks.

Zhiyao Zhou, Anne M LaPointe, Timothy D Shaffer, Geoffrey W Coates

Abstract read
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In one paragraph

Article in Nature chemistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing 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

17 citing papers in PubMed.

  1. Review
  2. COAngewandte Chemie (International ed. in English) · 2026
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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

4 authors.

Zhiyao ZhouDepartment of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY, USA.ORCID http://orcid.org/0000-0002-2792-8429
Anne M LaPointeDepartment of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY, USA.ORCID http://orcid.org/0000-0002-7830-0922
Timothy D ShafferExxonMobil Technology and Engineering Company, Annandale, NJ, USA.ORCID http://orcid.org/0000-0002-3857-7556
Geoffrey W CoatesDepartment of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, NY, USA. gc39@cornell.edu.ORCID http://orcid.org/0000-0002-3400-2552

Funding

DOE | SC | Basic Energy Sciences (BES) DE-FOA-0002414Exxon Mobil Corporation NoneExxon Mobil Corporation | ExxonMobil Research and Engineering Company (EMRE) None
6 · The paper itself

Abstract

Polyolefin plastics are widely used due to their low cost and outstanding properties, but their environmental persistence presents a major societal challenge. Polyhydroxyalkanoates (PHA) are biodegradable substitutes for polyolefins, but their high cost and thermal instability are impediments to their widespread application. Here we report a series of methylated polyhydroxybutyrates, poly(3-hydroxy-2-methylbutyrate)s, which are structurally inspired by natural PHAs. The cis homopolymers exhibit tacticity-independent crystallinity, which allows for the discovery of high-melting, thermally stable and mechanically tough copolymers, and a full range of polyolefin-like properties can be further achieved by tailoring the cis/trans ratio of the repeating units. Moreover, these materials can be synthesized from inexpensive carbon monoxide and 2-butene feedstocks, and they can be chemically recycled or upcycled at their end of life. The versatile properties, abundant feedstocks and end-of-life utility of this family of polyesters will enable a powerful platform for the discovery of sustainable alternatives to polyolefin plastics.

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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.