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Record W2526792270 · doi:10.1055/s-2003-40347

A Highly Efficient and StereoselectiveSynthesis of Polyhydroxylated Pyrrolidines via RegioselectiveAsymmetric Aminohydroxylation (RAA) and Intramolecular AmidomercurationReactions

2003· article· en· W2526792270 on OpenAlexfundno aff
Hyunsoo Han, Satwinder Singh, Dinesh Chikkanna, Om Prakash Singh

Bibliographic record

VenueSynlett · 2003
Typearticle
Languageen
FieldChemistry
TopicSynthetic Organic Chemistry Methods
Canadian institutionsnot available
FundersNational Institutes of HealthSimon Fraser University
KeywordsRegioselectivityChemistryStereoselectivityIntramolecular forceOlefin fiberVicinalStereochemistryRing (chemistry)Combinatorial chemistryOrganic chemistryCatalysis

Abstract

fetched live from OpenAlex

A new synthetic strategy, which allows a complete stereo­chemical control of all four chiral centers of two important polyhydroxylated pyrrolidines 8 and 9, is described. The cornerstone of the present strategy is a successful implementation of the regioselective asymmetric aminohydroxylation (RAA) reaction of the designed achiral olefin 1 and the intramolecular stereoselective amidomercuration reaction of the δ-alkenylamide 4, which were used for the introduction of the vicinal amino alcohol functionality and for the construction of the five membered ring in the targets respectively.

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)
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 score0.014
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

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

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 head0.008
GPT teacher head0.225
Teacher spread0.217 · 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

Citations2
Published2003
Admission routes1
Has abstractyes

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