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Record W2625072297 · doi:10.1002/ajoc.201700229

Practical Synthesis of Two Different Pseudoenantiomeric Organocatalysts with <i>cis</i>‐Cyclohexanediamine Structure from a Common Chiral Source

2017· article· en· W2625072297 on OpenAlexfundno aff
Hyo‐Jun Lee, Shin A. Moteki, Natarajan Arumugam, Abdulrahman I. Almansour, Raju Suresh Kumar, Yan Liu, Keiji Maruoka

Bibliographic record

VenueAsian Journal of Organic Chemistry · 2017
Typearticle
Languageen
FieldChemistry
TopicAsymmetric Synthesis and Catalysis
Canadian institutionsnot available
FundersInstitute of Population and Public HealthJapan Society for the Promotion of ScienceKing Saud UniversityMinistry of Education, Culture, Sports, Science and Technology
KeywordsChemistryAldol reactionEnantiomerMaleic anhydrideCyclohexeneEnantioselective synthesisOrganic chemistryOrganocatalysisCombinatorial chemistryCatalysisStereochemistryCopolymer

Abstract

fetched live from OpenAlex

Abstract An approach has been developed for the practical synthesis of two different, structurally robust, pseudoenantiomeric amino Tf‐amido organocatalysts with a cis ‐1,2‐cyclohexanediamine structure. These pseudoenantiomeric organocatalysts, which are very useful for the practical synthesis of both enantiomeric aldol products, are easily prepared from commercially available cis ‐4‐cyclohexene‐1,2‐dicarboxylic acid in a four‐step sequence. The Diels–Alder strategy of 2‐alkyl‐1,3‐butadiene and maleic anhydride would provide a general approach to the facile synthesis of various pseudoenantiomeric organocatalysts.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.063
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0030.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.007
GPT teacher head0.239
Teacher spread0.232 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations3
Published2017
Admission routes1
Has abstractyes

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