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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2226407Generated: October 25, 2026

Benzyloxycarbonylglycine → 7-(N-benzyloxycarbonylglycyl)-1,4-dithia-7-azaspiro[4.4]nonane-8(S)-carboxylic acid, ethyl ester

https://huagongshe.com/reaction/2226407

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyloxycarbonylglycineHCID 14349—
Reactant1,4-dithia-7-azaspiro-[4.4]nonane-8(S)-carboxylic acid, ethyl esterHCID 14515252—
Reactant7-benzyloxycarbonyl-1,4-dithia-7-azaspiro [4.4]nonane-8(S)carboxylic acid, ethyl esterHCID 14540988—
Product7-(N-benzyloxycarbonylglycyl)-1,4-dithia-7-azaspiro[4.4]nonane-8(S)-carboxylic acid, ethyl esterHCID 13373629—

Reaction Steps

Convert 2.22 g of 7-benzyloxycarbonyl-1,4-dithia-7-azaspiro[4.4]nonane-8(S)-carboxylic acid, ethyl ester (prepared as described in paragraph A) to 1,4-dithia-7-azaspiro-[4.4]nonane-8(S)-carboxylic acid, ethyl ester as described in Example 23 and couple this compound with 1.5 g of N-benzyloxycarbonylglycine, N-hydroxysuccinimide ester as described in Example 23 to yield 7-(N-benzyloxycarbonylglycyl)-1,4-dithia-7-azaspiro[4.4]nonane-8(S)-carboxylic acid, ethyl ester, a yellow oil [α]D26 -21.0°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05348944
Source datasetuspto-grants-1994_09
ORD IDord-37317184dbbd47e4b2c127eae86773df
Source noteuspto-grants-1994_09