Alpha-Cyano-4-Hydroxycinnamic Acid → HCID 178429056, compound

HRID 1977971Notes

Reaction equation

C(OC([N:8]([O:19][CH2:20][CH2:21][CH2:22][O:23][C:24]1[CH:29]=[C:28]([CH3:30])[CH:27]=[C:26]([O:31][S:32]([C:35]2[CH:40]=[CH:39][CH:38]=[CH:37][C:36]=2[S:41]([N:44]([CH2:51][CH2:52][C:53]#[N:54])[CH2:45][C:46]2[O:47][CH:48]=[CH:49][CH:50]=2)(=[O:43])=[O:42])(=[O:34])=[O:33])[CH:25]=1)[C:9]([NH:11]C(OC(C)(C)C)=O)=[NH:10])=O)(C)(C)C.Cl.CO.C(C(=CC1C=CC(O)=CC=1)C(O)=O)#N>>[CH3:30][C:28]1[CH:27]=[C:26]([O:31][S:32]([C:35]2[CH:40]=[CH:39][CH:38]=[CH:37][C:36]=2[S:41]([N:44]([CH2:51][CH2:52][C:53]#[N:54])[CH2:45][C:46]2[O:47][CH:48]=[CH:49][CH:50]=2)(=[O:42])=[O:43])(=[O:33])=[O:34])[CH:25]=[C:24]([CH:29]=1)[O:23][CH2:22][CH2:21][CH2:20][O:19][NH:8][C:9]([NH2:11])=[NH:10]

Participants

Reactant 3

HCID 2102Alpha-Cyano-4-Hydroxycinnamic Acid

HCID 21893726Hydrochloride methanol

HCID 139887068HCID 139887068, compound

Product 1

HCID 178429056HCID 178429056, compoundYield 42%

Procedure

The title compound was prepared in 42% yield from N,N′-bis-(tert-butoxycarbony)-3-[5-methyl-3-(2-(N-(2-cyanoethyl)-N-(2-furanylmethyl)aminosulfonyl)phenylsulfonyloxy)phenoxy]propoxyguanidine, as prepared in the previous step, in a manner analogous to step i of Example 20 (without HCl-methanol acidification). 1H NMR (300 MHz, CDCl3) δ8.23 (dd, 1H, J=7.9, 1.3 Hz), 8.14 (dd, 1H, J=7.9, 1.4 Hz), 7.76 (td, 1H, J=7.7, 1.4 Hz), 7.67 (td, 1H, J=7.7, 1.3 Hz), 7.29 (t, 1H, J=1.3 Hz), 6.56 (m, 2H), 6.51 (m, 1H), 6.28 (m, 2H), 4.61 (s, 2H), 3.91 (m, 4H), 3.62 (t, 2H J=7.1 Hz), 2.53 (t, 2H, J=7.1 Hz), 2.20 (s, 3H), 2.00 (pentet, 2H, J=6.1 Hz). Mass spectrum (MALDI-TOF, α-cyano-4-hydroxycinnamic acid matrix) calcd. for C25H29N5O8S2: 592.2 (M+H), 614.1 (M+Na). Found: 592.2, 614.4.

Sources & evidence

ORD record: ord-3d6a59bd6d6e4c12b1593581bbcbe754
Source dataset: uspto-grants-2001_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06235778B1

Reaction notes

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