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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 840459Generated: October 26, 2026

alpha-Ethynyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenemethanol → Methyl n-tert-butoxycarbonyl-4-[3-hydroxy-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-1-propynyl]-2-pyrrolecarboxylate

https://huagongshe.com/reaction/840459

Reaction equation

Participants

RoleNameHCIDCharge
Reactantalpha-Ethynyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenemethanolHCID 11817362—
Reactant1-tert-butyl 2-methyl 4-iodo-1H-pyrrole-1,2-dicarboxylateHCID 54463778—
ProductMethyl n-tert-butoxycarbonyl-4-[3-hydroxy-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-1-propynyl]-2-pyrrolecarboxylateHCID 5419333499.5%

Reaction Steps

Following the basic procedure of Example 11(d), by reacting 2 g (8.2 mmol) of α-ethynyl-5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenemethanol with 3 g (8.5 mmol) of methyl N-tert-butoxycarbonyl-4-iodo-2-pyrrolecarboxylate, 3.8 g (98%) of the expected ester were obtained in the form of a brown oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06368608B1
Source datasetuspto-grants-2002_04
ORD IDord-08aea7b807e04eada00d93cf76623c4c
Source noteuspto-grants-2002_04